By contrast, the un-special tools used to remove cottered cranks-a hammer, a drift pin, and a cinder block (article from Bicycling, January/February 1983 now online here) -- require more skill (and luck) on the part of the user. If the dustcap is attached to the head of the bolt, skip to the section on using a crank puller. Site and Logo by. See the article on bottom-bracket tapers for more detailed information and advice. Usually, the crank will fall off in your hand with surprisingly little effort, because of the very high mechanical advantage of the tool. so it is usable only with bolt-type cranks. Crank puller / extractor tool for vintage Stronglight crank arms with the 23.35 mm extractor threads. corresponds to no obvious units, to no other threads, and since making If nothing else works, you could hacksaw the crank off. The socket wrench and crank puller are often sold together in a small tool kit. If there is a 6, 7 or 8 mm hexagonal Allen-key fitting, the crank may be removable without using a crank puller -- or there may only be a dustcap integrated with the bolt. Ad from shop luckeycaps That is the approach Looks like you already have an account! Also check that the boss on the end of the spindle doesn't prevent the dustcap from threading in all the way. Crank puller / extractor tool for vintage Stronglight crank arms with the 23.35 mm extractor threads. threads in and appears to be a good fit, but far enough from Most of the time you should not need to use a wrench on it. Note that there is a washer under the bolt head. This was the tool I needed to remove my Stronglight 93 crankset. Features precision milled threads to perfectly fit your Stronglight model 49d, 63, 93, 99 or TS Bis cranks. although 15mm is a more common wrench size. When a tool made for a nut-type spindle is used with a bolt-type (female threaded) spindle, the sides of the "bolt" of the puller rub against the edges of the spindle threads that the crank bolts screw into. It is a good idea to mark the crank and spindle so you replace them in the same orientation, and they will seat on each other the same way. Swapping the Free Hub Body on the Grand Bois Hub. If you don't have a large enough screwdriver, a cone wrench or a dime will often fit nicely. These beautiful cranks were originally designed with special extractor/puller threads with just enough difference as to require a special tool for their respective crank arms. You can always test this by inserting an Allen wrench and unscrewing the bolt. Note: that these do not fit standard 22mm Japanese or Italian cranks. (There are a couple of rare exceptions: Early Lambert cranksets were threaded 7/8-inch by 24 threads per inch. Ad from shop TurtleKeebs A hard-to-find crank puller for classic Stronglight or TA cranks. Here are some things to keep in mind as you shop among the alternatives: Pullers made primarily for Type I [bolt type] cranksets usually have a rotating collar on the end of the "bolt." puller. Sockets come in six-point and 12-point types. We will notify you of additional charges. Shimano introduced the first such crankset with its One-Key-Release system. 23mm that the 23mm extractor pulls out most of the threads jonnyboytech Ad from shop ZappyCappys Contact us if you are in need of a tap to repair these threads. The Stronglight and TA cranks were some of the original forged aluminum cranks available for bicycles dating back to the 1950s. It has both a male and a female thread, plus flats for a wrench.) Free Shipping to the lower 48 States for USA orders over $150! a special thread means making special tools to make the crank threads, This tool works like a crank puller, except that instead of threading into the crank's extractor hole, it has three hinged arms that hook around the back of the crank. A hard-to-find crank puller for classic Stronglight or TA cranks. Please note:Stronglight has a bit of a range in their tolerances used for this thread. This has a reversible, double-ended "nut," with a tip on one end for square-taper cranksets, and on the other end for splined cranksets. Unscrewing the fixing bolt If you are working on your own bicycle, you may decide to reinstall it, but removing it later is not a job you would want to pass off on someone else! Anyone who has used the incorrect tool on them (typically a standard 22 mm tool), has realized that doing so invariably leaves the crank very damaged. When removing a splined crank which attaches with a larger-diameter bolt, you will need either to use a special crank puller made for this purpose, or to place an undersized bolt on the end of the spindle. There is a slight possibility that the spindle threads could be damaged by this, but bottom bracket spindles are made of such very hard steel that the risk is small. Your email address will not be published. If you must use a wrench to fully seat the "nut," be gentle! The size of the square-tapered spindle ends varies among brands and models, and so, not all spindles are compatible with all cranks. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover 2, J. The removal bolt is precisely hardened for long life in bike shops or home shop application. wwwracevelocom Required fields are marked *. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover, J. You've already signed up for some newsletters, but you haven't confirmed your address. Condition: New, Model: Stronglight, Modified Item: No, Country/Region of Manufacture: United States, Custom Bundle: No, Type: Crank Extractor, Brand: STEIN, Non-Domestic Product: No Thus the need for the Stein Crank Extractors/Pullers, with very close tolerance threads milled onto them, ensuring a premium finish to baby your vintage crank arms. Ready for the crank puller Now you are ready to use the crank puller. 28 watchers, 0.1 new watchers per day, 270 days for sale on eBay. Some cranks need no puller. Spa Cycles 2022Powered by i-BikeShop Software 2001-2022 SiWIS Ltd, 48A Camwal Road, Harrogate, HG1 4PT Tel:01423 887003. 23.15mm is so close to 23mm that a 23mm extractor Ships to: US, EUROPE, CA, JP, AU, It works for both the Stronglight 49D and Stronglight 93 cranks. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[728,90],'sheldonbrown_com-box-4','ezslot_0',820,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-sheldonbrown_com-box-4-0')}; Aluminum alloy cotterless cranks have replaced steel cottered cranks on all but the least expensive bicycles. Video. LeedsRadio You can carry them with you on the road. End of nut-type spindle. Please note that we do not participate in the Cycle to Work Scheme or accept Cyclescheme Vouchers. Once the "nut" is securely screwed into the crank, tighten the "bolt." Great seller with very good positive feedback and over 50 ratings. The back of the crank should easily clear the end of the spindle's tapers and the bottom-bracket. As with any product, specification is subject to change without prior notification. Copyright 2008-2022 PicClick Inc. All Rights Reserved. Actually, it is unclear what is the size variously and 59/64" and thus not a metric conversion of a fractional-inch Further, it is not uncommon for crank bolts to come loose while Ad from shop ThockKing Any self-extracting system has a dustcap with slots (as shown above) or holes for a pin spanner so the dustcap can be threaded into the crank. Much ink has been spilled about whether to grease square-tapered spindles. From shop HelicalHearth, $11.00 A. Stein Company. The crank has been cross-sectioned in this photo to show how it is attached to the spindle, It is hard to guess how Stronglight arrived at 23.15, since it Location: Prescott, Arizona, US, This tool is a joy to use, and with reasonable care will work every time with no complications. ThockKing is usable with care (although it fits a bit more loosely than it should. For additional info, please visit our FAQ page or contact us. In retrospect, it seems like an obvious choice is 15mm bolt From shop ZappyCappys, $45.00 There have been a few that refused to yield, not because they were bonded on, but because the threads were destroyed to the point where only brute force with alternative tools would succeed. Learn more. Also, some Type I pullers simply don't fit on Type II cranksets: the puller's "nut" may interfere with the threaded boss on the spindle, or it may not be possible to unscrew the puller's "bolt" far enough to allow the puller to be threaded into the crank. Sutherland's Handbook for Bicycle Mechanics calls this crank spindle design "Type I", (Roman numeral, pronounced "type one") or in later editions, "bolt type". (10% off), ad by Kenykeycap Usually the better-quality sockets will have thinner walls-cheap sockets try to make up for poor quality steel by using more of it. A Jacques Anquetil Super Vitus 971 Review. The steel dustcap functions as the "nut" in a standard crank puller, and when you're removing the crank, the fixing bolt functions as the crank puller's "bolt." This crank puller will not retract farther, and We have placed cookies on your browsing device to enable this website to function correctly. If the bicycle is ridden much at all with a loose crank, the spindle hole will become enlarged and misshapen, and the crank must be replaced. From shop TurtleKeebs, Sale Price $5.13 fit in the 22mm hole. You need to make sure a splined spindle and crank match, as there are different kinds. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover 3. A splined spindle has one spline different from the others. Many cranks use snap-in/pry-out dust caps, rather than threaded ones, or the dustcaps may be unscrewed with a five-millimeter Allen wrench or a wide-bladed screwdriver. If you want to be able to service the greatest variety of cranksets with the minimum of tools, the Park puller is the one to buy. If you are replacing a bolt-type spindle with a nut-type spindle, then at your next rebuild, you will need a crank puller which doesn't interfere with the nut. crankset, you need a T.A. From shop ComputerizedChamber, ad by LeedsRadio to make the dustcap, and to make the crank remover. There is a corresponding tapered square hole in the crank, so the crank fits onto the end of the spindle. The "nut's" large male thread fits into the same threads of the crank that the dustcap screws into. (On some cranks, most often the less expensive "melt-forged" models, you'll have to apply considerably more effort than this. FREE shipping, ad by ComputerizedChamber The need for special tools is an inconvenience, but this is more than made up for by the great ease of using them. The puller must be fully inserted and must not move during the removal process, otherwise thread failure will occur. The serrated face of the nut presses against the crank. You can adapt other brands of cranks to this system by replacing the dustcaps and fixing bolts. A nut threads onto this boss to secure the crank onto the spindle. The closest thing to a universal crank puller is made by Park. between wrench flats and crank extractor threads is so small that (as since that is a standard size with clearance for many 15mm with the more common 15/22 combination) a thin-wall socket is Once loose, I turn the puller by hand, easily. Set where you live, what language you speak, and the currency you use. The TA will fit all classic cranks similar to those pictured including three spider cranks that have a 23.0 mm thread. Most of these vintage cranks will not have been removed before and will have been in service for more than 40 years. From shop LeedsRadio, ad by KeycapScavenger However, Today, (The "nut" part is actually a bolt and a nut at the same time! A slightly less-obvious approach is to use M23x1 extractor threads, by John Allen, article from Bicycling, January/February 1983 now online here. Unfortunately my original went missing in a move and Velo Orange was there when I needed one. socket wrenches and 1.5mmm thread pitch should still give enough They are not too far apart, about 10 to 15 degrees to each other. Please contact us if you have questions about which cranks this will fit.Arizona state residents pay 6.35% tax. Extractor threads can get stripped out -- see warnings about compatibility earlier in this article. If a bolt is used, it will usually have a 15-millimeter head; Stronglight and Zeus used 16-millimeter bolts. The "bolt" will press against the end of the spindle, the "nut" will pull on the crank. 15mm bolts are big enough you need a thin-wall socket wrench to You may need to remove the chainwheels first. Click here for details. M24x1 and M24x1.5 are standard threads, though I do not know if they In these cases, its just better to leave the crankset on, cleaning is still possible by removing the chain rings for the drive arm. You might also heat the crank. Getting a gear puller started, especially on a right crank with four or five arms, may require three or four hands to hold all the parts in place. Copyright 2022 Velo Duo Cycles | Powered by Shopify. Instead of the customary 14, 15-mm or 16 bolt, these cranksets use a bolt with a 6, 7 or 8-mm Allen head. Before replacing a crank, check it for cracks For any other brand, you have a wider choice available. No coupon code required for this deal. I turn it in just so it touches the end part of the thread, but not tight. The advantages of lighter weight, easier maintenance, and closer dimensional tolerances have made cotterless cranks very popular. It's legendarily difficult to get the 16-mm bolt out of the smaller Campagnolo-sized dustcap hole on a Zeus crankset. FREE shipping. Hold the crank to keep it from turning with the wrench. This particular tool is not easy to find these days and can be quite expensive to buy, even some bike shops wont have the tool in their workshop. An obvious approach is to use bolts with 14mm heads, All work the same way. Crank extractor for 23.35x1.0 mm extractor threads used in the older versions of Stronglight Crank arms. Captcha failed to load. Except for a few details, crank removal and replacement are as with any bolt-type spindle. One holds the puller body and the other one on the pushing bolt. Once you have removed the bolt or nut, be especially careful to remove any washers that may be under the bolt head or nut, or you may easily destroy the crank in trying to push the crank puller "bolt" against the washer! From shop jonnyboytech, ad by Zkeebs Since the bolt or nut is recessed inside a cavity in the crank, you need a socket wrench to turn it. Metals will have weakened and oxidated in some places, especially on the threads that are crucial for extraction. Some crank pullers made for spindles with a protruding boss have a pushing surface with is too large to fit into the square hole in the crank. Some 1990-1996 Campagnolo dustcaps, usually with self-extracting crank bolts, unscrew clockwise, in which case, you may have to resort to using a gear puller on the precious Campagnolo cranks, or heating them with a torch (see below), because left-threaded crank pullers are rare! The tide of opinion seems to be with light greasing. Usually, the nut is a special nut with a built-in serrated lock washer, so that no separate washer is required. Some will fit tighter than others. crank bolts have a 16mm head also a Bad Idea, Thanks for the tip, Ill try it next time! A cotterless crank puller is made up of two parts, one of which is basically a nut and the other a bolt. The ends of the spindle are square in cross section, and tapered so that they are slightly thinner toward the ends of the spindle. The removal bolt is precisely hardened for long life in bike shops or home shop application. These are third party technologies used for things like interest based Etsy ads. So it is threads by mistakenly using the wrong extractor. Use of any other thread size removal tool will damage the threads and ruin the crank. The shallow angle of the tapered square hole multiplies the force from the crank fixing bolt or nut by many times. document.write(document.lastModified) See More. You are advised to confirm current specification before buying. Drop file here, 2017 Velo Collective. Crank extractors with specific threads for removal of TA and Stronglight Cranks, The Stronglight extractor has 23.35 mm threads for removal of 49d, 93, 99, and TS cranks, The TA extractor has 23.0 mm threads for removal of the old TA Cranks, both the three arm spider and five bolt attachment. Yes! Kenykeycap These threads will be subjected to severe stress as the crank is removed, and aluminum threads are not noted for their durability! Also, the joint between crank and spindle is stronger with cotterless cranks. Crank which removes without a puller. The crank will pull in by about 2 mm when you tighten it, and so the end of the spindle should be recessed by at least 3 mm inside the square tapered hole in the crank. The older, more traditional crank design uses a hollow, threaded spindle. (Don't use a small screwdriver, as you run the risk of damaging the slot--most dustcaps are soft aluminum or plastic.) From shop KeycapScavenger, $18.00 Ad from shop ComputerizedChamber Otherwise, remove the dustcap, if any. Cotters often fail on a fixed-gear or tandem bicycle. Otherwise, the "bolt" will keep you from screwing the "nut" all the way into the dustcap threads. Without this 23.35mm crank puller, Stronglight crank removal is not possible. 82 sold, 0 available. J. 0% negative feedback. Youll see ad results based on factors like relevancy, and the amount sellers pay per click. were standard when Stronglight started using 23.15mm. The bolt or nut will continue to turn for half a rotation or so after it first snugs up, before it reaches full engagement and starts getting much harder to turn. quoted as 23.15, 23.2, or 23.35mm diameter. If you wish to use this type of wrench, you may have some difficulty finding sockets that are the right size for the bolt but have a small enough outside diameter to fit inside the dustcap threads. 23mm is so much larger than 22mm it is hard to damage had 23 mm; and Stronglight, 23.35 mm. Great! Features precision milled threads to perfectly fit your Stronglight model 49d, 63, 93, 99 or TS Bis cranks. I bought a crank puller with two different screw threads, a 23mm screw for TA cranks and a 23.35mm for Stronglight. All rights reserved. Expect that the crank puller will blemish the rear of the crank. Unlike cottered cranks, cotterless cranks may require special tools to install and especially to remove the cranks from the spindle. Find out more in our Cookies & Similar Technologies Policy. Item: 123141983408 If its possible, I just hand turn it. hard to confuse with 23mm and causes no new problems. There are several types of socket wrenches suitable for removing and re- installing the crank fixing bolt (or nut). From shop ThockKing, ad by TurtleKeebs Before you screw the "nut" part of the crank puller into the dustcap threads, the "bolt" part must be screwed back out of the way (counterclockwise) so that it will not hit the end of the spindle while you are screwing the "nut" part into the crank. It is best to avoid using a nut-type spindle entirely with an older Stronglight, TA Lambert or (heresy!) --> The threads may also be a better fit. Use the coupon code150SHIPwhen you check out to get the deal. From shop Kenykeycap, $19.00 A bolt, properly called the fixing bolt, threads into the spindle. The maximum upload file size: 100 MB. Over the years, the threads can be slightly damaged especially if the caps have been missing for any length of time. Another benefit of cotterless cranks is that the needed tools weigh only a few ounces. If unscrewing the bolt pulls the crank off, you can skip several steps, to the discussion of one-key-release systems, below. Crank bolts which have an Allen head but are not one-key release generally have a plastic dustcap which is attached to the bolt instead of the crank. A Rubber Mallet ( For More Stuck-On Cranks ), A 5mm Allen Key For Other Version Of Stronglight Dust Caps. required, further limiting the choice of tools. J. Comment * document.getElementById("comment").setAttribute( "id", "a583172ffdb16970e3c75b7a9660d12a" );document.getElementById("fdbf693558").setAttribute( "id", "comment" ); Attachment
I must have removed over 50 Stronglight cranks in my time, and most do come off when the right tool and care is used. The alternate design uses a spindle with a small threaded boss protruding past the ends of the square tapered section. Until 1982, Stronglight used 23.15mm diameter Other manufacturers offer similar units. Next, you remove the fixing bolt or nut that holds the crank to the spindle. We've sent you an email to confirm your subscription. Are the French Still Riding Vintage Bikes? You are the salt of the earthYou are the light of the world J. Preferred torque wrench readings are in the range of 350 inch pounds, and a torque wrench is recommended if you don't have well-calibrated hands -- especially with splined cranks.. Cranks tend to loosen after first being installed. To install or tighten most cotterless cranks, you need a socket wrench, and to remove a crank from its spindle, you need a cotterless crank puller to fit your brand of crank. Ad from shop LeedsRadio The wrench flats are in the middle. The fixing bolt and washer have been removed. Etsy uses cookies and similar technologies to give you a better experience, enabling things like: Detailed information can be found in Etsys Cookies & Similar Technologies Policy and our Privacy Policy.   United States   |   English (US)   |   $ (USD), remembering account, browser, and regional preferences, remembering privacy and security settings, personalized search, content, and recommendations, helping sellers understand their audience, showing relevant, targeted ads on and off Etsy. A square-taper spindle will go on any of four ways, but if you have marked it as suggested earlier, then you can put it back on the same way, and it will not have to adapt iself to the spindle again. Send me exclusive offers, unique gift ideas, and personalized tips for shopping and selling on Etsy. and all suffer from the problems below. On a right crank, the arms should attach near the spindle so the pull doesn't tend to bend the spider. Grease the threads of the fixing bolt or nut. To service a T.A. Some cranks require only an Allen key for removal and replacement. Depending on the brand and model, the crank is secured onto the spindle by either a bolt or a nut. Some newer cranksets use a splined connection between the spindle and the crank. This ensures that all customers benefit from our prices. FREE shipping, ad by SuperhumanKeyboards If Stronglight really wanted "bigger than 22mm", 24mm is Campagnolo crank that can't take a standard crank puller. From shop luckeycaps, ad by HelicalHearth For Stronglight, you should really use a Stronglight puller, but the T.A. This collar is the part that actually pushes against the end of the spindle to pull the crank off. This has two advantages: the necessary tool is small and practically weightless, and the Allen head can be exposed through a small hole in the dustcap. From shop wwwracevelocom, ad by ZappyCappys I dont usually tighten the puller into the crank. on many of their older cranks. SuperhumanKeyboards Try using a different browser or disabling ad blockers. Crank bolts often have 14mm or 15mm wrench flats, and Subscribe to get VO news, special offers, giveaways, and subscriber-only sneak peeks. and ruins the crank (or at least makes it impossible to remove with a FREE shipping, ad by luckeycaps Be sure you screw the "nut" part of the tool all the way into the dustcap threads. STRONGLIGHT 23.3 mm Crank Puller Extractor Remover Tool and Specialites TA 23x1, ad by ThockKing Sutherland calls this crank spindle design "Type II" (type two) or "nut type". 2021 J.
It is a good idea to carry a wrench to fit the crank fixing bolts. Etsys 100% renewable electricity commitment includes the electricity used by the data centers that host Etsy.com, the Sell on Etsy app, and the Etsy app, as well as the electricity that powers Etsys global offices and employees working remotely from home in the US. Ad from shop wwwracevelocom A small automotive gear puller can remove a crank. They may loosen again; an early warning of this is a loud "crack-crack" noise with each turn of the cranks. Saying no will not stop you from seeing Etsy ads or impact Etsy's own personalization technologies, but it may make the ads you see less relevant or more repetitive. presses it against the dustcap. Oversize international shipping: Large products including (but not limited to) frames, fork, fenders, handlebars, racks, and rims may incur oversize shipping charges. Using one of these vigorously with a bolt-type (hollow) spindle will only strip out the threads in the crank. Please contact us if you have questions about which cranks this will fit.Arizona state residents pay 6.35% tax. as 16mm is an uncommon wrench size anyway, and the clearance This is usually easy, as the bolt or nut isn't torqued very tight. If a nut is used, it will be 14 millimeters. They lead to in sudden failure, and very likely, a crash. Once the dustcap has been removed, the fixing bolt (or nut) is exposed. engagement to support the extractor load.
The fixing bolt is removed using a socket wrench. All use the same one-thread-per-millimeter pitch, and most cranksets have a 22 mm diameter for the dustcap threads: Older T.A. Then I just press them together and the crank loosens. They should be retightened after the bicycle has been ridden a few miles. But don't overtighten the "nut" of the puller. size. Aluminum has a higher expansion rate than steel, and you may be able to tap on the back side of the crank and loosen it using a hammer and wooden block. Ad from shop Zkeebs Stronglight crank removal can be problematic, even with the right tools to hand. Note that these do not fit standard 22mm Japanese or Italian cranks. The Stronglight tool will fit 49d, 93, 99 and TS crank models that use a 23.35 x 1.0 mm thread. JA Stein pullers are offered in Stronglight size (23.35mm) and in TA Specialities size (23mm). luckeycaps For a more detailed discussion of crank loosening, see Jobst Brandt's comments. You can solve this problem easily by inserting an undersized bolt into the end of the spindle -- the bolt's head should fit inside the square opening in the crank, but protrude beyond it, so the puller bears on the head of this bolt. By the mid-1980s, manufacturers had perfected cost-cutting ways of making cotterless cranksets, so that the cheaper models cost barely any more than the steel cottered cranks they replaced. ), Which tool to buy depends on what brand and model of crankset you have. This can happen without the crank's coming loose. riding, and riding with a loose crank will ruin it. If the crank starts to get hard to pull off, quit before you strip the threads). Etsy is powered by 100% renewable electricity. Please. Let's look at the way that a cotterless crank is secured to its spindle. You wouldn't want to do that with the tools for cottered cranks! The extractor bolt is hardened and laser engraved. Six-point sockets tend to have slightly thinner walls, so they are more likely to fit. threads that is, 22mm nominal diameter and Also see the articles on chainline. Or, you may have to remove an older Stronglight, TA, Campagnolo or Lambert crank and not have the necessary crank puller. They could be at the corners of the square hole, at the pedal hole or in mid-crank. This tool will not fit older TA or pre-1982 Stronglight cranks, though. 1,303+ items sold. This system is particularly well-suited for touring and for air travel when you need to remove either the pedals or the cranks to put your bicycle into a box. KeycapScavenger Consequently it is hard to realize how much force is being exerted. One role of dustcaps is to capture the fixing bolts so they don't fall out and get lost. As you loosen the fixing bolt, the head of the bolt pushes against the inside of the dustcap, pulling the crank from the spindle. Further, whatever the clearance advantages, at least some Stronglight Jan Heine of Bicycle Quarterly magazine performed an experiment, voted for grease but indicated that some cranks will have problems, greased or not. End of bolt-type spindle, with bolt and washer. Also, be careful when installing this tool. Can 10 Speed Friction Shifting Work? Dust caps are also prone to becoming stuck, and its quite easy to round the allen key recess by the effort of trying to remove them. Sellers looking to grow their business and reach more interested buyers can use Etsys advertising platform to promote their items. Last Updated: Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions. heads, since 15mm is a standard size, and M24x1.5 extractor threads, and how the dustcap is threaded in.