stronglight crank puller

For shop use, many mechanics prefer to use an automotive-type socket wrench, usually with a ratchet handle. threads that is, 22mm nominal diameter and 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. I turn it in just so it touches the end part of the thread, but not tight. In retrospect, it seems like an obvious choice is 15mm bolt 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. If the crank starts to get hard to pull off, quit before you strip the threads). (The "nut" part is actually a bolt and a nut at the same time! From shop Zkeebs, $8.99 jonnyboytech Actually, it is unclear what is the size variously The advantages of lighter weight, easier maintenance, and closer dimensional tolerances have made cotterless cranks very popular. Usually the better-quality sockets will have thinner walls-cheap sockets try to make up for poor quality steel by using more of it. 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. Great seller with very good positive feedback and over 50 ratings. Or, you may have to remove an older Stronglight, TA, Campagnolo or Lambert crank and not have the necessary crank puller. 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. socket wrenches and 1.5mmm thread pitch should still give enough These threads will be subjected to severe stress as the crank is removed, and aluminum threads are not noted for their durability! Here is a video with such a problem. were standard when Stronglight started using 23.15mm. Links to YouTube, Facebook, Twitter and other services inserted in the comment text will be automatically embedded. For additional info, please visit our FAQ page or contact us. The fixing bolt is removed using a socket wrench. Ad from shop luckeycaps Use the coupon code150SHIPwhen you check out to get the deal. They may loosen again; an early warning of this is a loud "crack-crack" noise with each turn of the cranks. Please contact us if you have questions about which cranks this will fit.Arizona state residents pay 6.35% tax. Campagnolo crank that can't take a standard crank puller. Using one of these vigorously with a bolt-type (hollow) spindle will only strip out the threads in the crank. Captcha failed to load. Also see the articles on chainline. Use of any other thread size removal tool will damage the threads and ruin the crank. Are the French Still Riding Vintage Bikes? 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. Some newer cranksets use a splined connection between the spindle and the crank. FREE shipping, ad by SuperhumanKeyboards Links to YouTube, Facebook, Twitter and other services inserted in the comment text will be automatically embedded. Stronglight crankset removal for pre-1982 models requires a special tool, a 23.35 crank puller. 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. wwwracevelocom hard to confuse with 23mm and causes no new problems. If nothing else works, you could hacksaw the crank off. Otherwise, remove the dustcap, if any. Most of these vintage cranks will not have been removed before and will have been in service for more than 40 years. FREE shipping, ad by luckeycaps Otherwise, the "bolt" will keep you from screwing the "nut" all the way into the dustcap threads. This collar is the part that actually pushes against the end of the spindle to pull the crank off. Note that there is a washer under the bolt head. to make the dustcap, and to make the crank remover. In these cases, its just better to leave the crankset on, cleaning is still possible by removing the chain rings for the drive arm. A cotterless crank puller is made up of two parts, one of which is basically a nut and the other a bolt. as 16mm is an uncommon wrench size anyway, and the clearance If you use this type of tool on a Type II [nut type] spindle, it will work, but the threaded end of the spindle may damage the pivot of the tool's collar. Kenykeycap This was the tool I needed to remove my Stronglight 93 crankset. A crank with stripped threads can be reinstalled as easily as any other. Swapping the Free Hub Body on the Grand Bois Hub. It is a good idea to carry a wrench to fit the crank fixing bolts. Original Price $5.70 J. For use with ratchets, six-point sockets are generally preferable anyway. A hard-to-find crank puller for classic Stronglight or TA cranks. 23mm that the 23mm extractor pulls out most of the threads All work the same way. Make sure that the "bolt" part will bear on the end of the spindle. A hard-to-find crank puller for classic Stronglight or TA cranks. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover. These are third party technologies used for things like interest based Etsy ads. 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. Let's look at the way that a cotterless crank is secured to its spindle. We've sent you an email to confirm your subscription. The crank has been cross-sectioned in this photo to show how it is attached to the spindle, An alternative is to use blue Loctite or similar threadlock compound on the bolt threads. If you don't have a large enough screwdriver, a cone wrench or a dime will often fit nicely. Etsy is powered by 100% renewable electricity. and ruins the crank (or at least makes it impossible to remove with a 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. although 15mm is a more common wrench size. Ad from shop LeedsRadio had 23 mm; and Stronglight, 23.35 mm. 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. It is best to avoid using a nut-type spindle entirely with an older Stronglight, TA Lambert or (heresy!) A bolt, properly called the fixing bolt, threads into the spindle. Please note:Stronglight has a bit of a range in their tolerances used for this thread. 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. 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. There is a corresponding tapered square hole in the crank, so the crank fits onto the end of the spindle. If you must use a wrench to fully seat the "nut," be gentle! Without this 23.35mm crank puller, Stronglight crank removal is not possible. 23mm is so much larger than 22mm it is hard to damage He, too, recommends greasing the square taper. Ad from shop ThockKing The removal bolt is precisely hardened for long life in bike shops or home shop application. by John Allen, article from Bicycling, January/February 1983 now online here. 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. See More. Ships to: US, EUROPE, CA, JP, AU, and 59/64" and thus not a metric conversion of a fractional-inch I dont usually tighten the puller into the crank. Grease the threads of the fixing bolt or nut. Be sure you screw the "nut" part of the tool all the way into the dustcap threads. 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. The tide of opinion seems to be with light greasing. JA Stein tools are hand-machined in a one-man shop and are of exceptional quality, suitable for bike shop or home use. Item: 123141983408 That is the approach SuperhumanKeyboards FREE shipping, ad by ComputerizedChamber From shop HelicalHearth, $11.00 Ad from shop ZappyCappys You can carry them with you on the road. Video. Next, you remove the fixing bolt or nut that holds the crank to the spindle. Much ink has been spilled about whether to grease square-tapered spindles. J. Free Shipping to the lower 48 States for USA orders over $150! The "bolt" will press against the end of the spindle, the "nut" will pull on the crank. As with any product, specification is subject to change without prior notification. 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. KeycapScavenger Oversize international shipping: Large products including (but not limited to) frames, fork, fenders, handlebars, racks, and rims may incur oversize shipping charges. You can adapt other brands of cranks to this system by replacing the dustcaps and fixing bolts. ), Which tool to buy depends on what brand and model of crankset you have. We do this with marketing and advertising partners (who may have their own information theyve collected). Hold the crank to keep it from turning with the wrench. Shimano introduced the first such crankset with its One-Key-Release system. Except for a few details, crank removal and replacement are as with any bolt-type spindle. 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. You are advised to confirm current specification before buying. A small automotive gear puller can remove a crank. From shop jonnyboytech, ad by Zkeebs They are not too far apart, about 10 to 15 degrees to each other. Ready for the crank puller Now you are ready to use the crank puller. 3/8-inch drive sockets tend to be thinner than 1/2-inch drive sockets. 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. is usable with care (although it fits a bit more loosely than it should. threads which is 0.91929 inches, or between 29/32" between wrench flats and crank extractor threads is so small that (as Expect that the crank puller will blemish the rear of 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. The Stronglight tool will fit 49d, 93, 99 and TS crank models that use a 23.35 x 1.0 mm thread. The maximum upload file size: 100 MB. Learn more. Thanks for the tip, Ill try it next time! This tool will not fit older TA or pre-1982 Stronglight cranks, though. Six-point sockets tend to have slightly thinner walls, so they are more likely to fit. 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 cranks require only an Allen key for removal and replacement. Sockets come in six-point and 12-point types. One holds the puller body and the other one on the pushing bolt. They could be at the corners of the square hole, at the pedal hole or in mid-crank. 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. The Stronglight and TA cranks were some of the original forged aluminum cranks available for bicycles dating back to the 1950s. The wrench flats are in the middle. Unlike cottered cranks, cotterless cranks may require special tools to install and especially to remove the cranks from the spindle. The puller must be fully inserted and must not move during the removal process, otherwise thread failure will occur. It has both a male and a female thread, plus flats for a wrench.) Note that these do not fit standard 22mm Japanese or Italian cranks. Other manufacturers offer similar units. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover 2, J. Ad from shop TurtleKeebs Note: that these do not fit standard 22mm Japanese or Italian cranks. 15mm bolts are big enough you need a thin-wall socket wrench to Crank extractor for 23.35x1.0 mm extractor threads used in the older versions of Stronglight Crank arms. Your email address will not be published. This will not be a problem for a 14-mm socket, but many 15- and 16-mm sockets are too thick to fit in. If unscrewing the bolt pulls the crank off, you can skip several steps, to the discussion of one-key-release systems, below. Usually, the crank will fall off in your hand with surprisingly little effort, because of the very high mechanical advantage of the tool. They lead to in sudden failure, and very likely, a crash. Once the dustcap has been removed, the fixing bolt (or nut) is exposed. The crank manufacturers all make small, easily carried single-size socket wrenches to fit their fixing bolts. A. Stein Stronglight 23.35 mm Crank Puller Extractor Tool Made in USA Remover 3. The size of the square-tapered spindle ends varies among brands and models, and so, not all spindles are compatible with all cranks. Instead of the customary 14, 15-mm or 16 bolt, these cranksets use a bolt with a 6, 7 or 8-mm Allen head. Ad from shop jonnyboytech The older, more traditional crank design uses a hollow, threaded spindle. threads in and appears to be a good fit, but far enough from (There are a couple of rare exceptions: Early Lambert cranksets were threaded 7/8-inch by 24 threads per inch. As mentioned earlier, some 1990-1996 Campagnolo cranks have left-hand dustcap threads -- but these were supplied with self-extracting crank bolts). Metals will have weakened and oxidated in some places, especially on the threads that are crucial for extraction. 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. standard crank extractor). All rights reserved. I bought a crank puller with two different screw threads, a 23mm screw for TA cranks and a 23.35mm for Stronglight. 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 Super high amount watching. A Jacques Anquetil Super Vitus 971 Review. Don't use all of your strength. You are the salt of the earthYou are the light of the world J. JA Stein tools are hand-machined in a one-man shop and are of exceptional quality, suitable for bike shop or home use. heads, since 15mm is a standard size, and M24x1.5 extractor threads, You might also heat the crank. Ad from shop KeycapScavenger See the article on bottom-bracket tapers for more detailed information and advice. If its possible, I just hand turn it. We will notify you of additional charges. Once the "nut" is securely screwed into the crank, tighten the "bolt." A slightly less-obvious approach is to use M23x1 extractor threads, 1,303+ items sold. Ad from shop wwwracevelocom From shop wwwracevelocom, ad by ZappyCappys TurtleKeebs 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. A splined spindle has one spline different from the others. JA Stein pullers are offered in Stronglight size (23.35mm) and in TA Specialities size (23mm). 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. Comment * document.getElementById("comment").setAttribute( "id", "a583172ffdb16970e3c75b7a9660d12a" );document.getElementById("fdbf693558").setAttribute( "id", "comment" ); Attachment British Eagle Touristique, a Classic or Not? The alternate design uses a spindle with a small threaded boss protruding past the ends of the square tapered section. This can happen without the crank's coming loose. riding, and riding with a loose crank will ruin it. 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! Great! From shop ThockKing, ad by TurtleKeebs FREE shipping. (On some cranks, most often the less expensive "melt-forged" models, you'll have to apply considerably more effort than this. Depending on the brand and model, the crank is secured onto the spindle by either a bolt or a nut. Extractor threads can get stripped out -- see warnings about compatibility earlier in this article. Copyright 2008-2022 PicClick Inc. All Rights Reserved. threads by mistakenly using the wrong extractor. Before replacing a crank, check it for cracks 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. JA Stein Crank Puller for Classic Stronglight or TA Cranks, Free USA shipping on order subtotals over $150. If a nut is used, it will be 14 millimeters. giving an extra 0.5mm for the socket wall. advantageous to use a common wrench that will be in every tool JA Stein pullers are offered in Stronglight size (23.35mm) and in TA Specialities size (23mm). Ad from shop Zkeebs Take full advantage of our site features by enabling JavaScript. with the more common 15/22 combination) a thin-wall socket is You may need to remove the chainwheels first. Can 10 Speed Friction Shifting Work? --> Some will fit tighter than others. This must fit entirely inside the splines of the crank. Also grease the splines of a splined spindle. The socket wrench and crank puller are often sold together in a small tool kit.