Hollowtech 1 should have self extracting crankbolts. The more serious concern with overtightening a square taper is that the crank arm can get distorted to . Just tighten them to the recommended torque setting (it should have it written on the crank arm). Shimano's Hollowtech II cranks, unveiled in 2003, essentially ushered in the current era of crank design by integrating the axle into the design of the crank. Install the bottom bracket. If possible, hold the opposite crank arm as another point of leverage. AU $12.50. The crank-to-spindle interface receives quite a lot of stress, making larger threads (M8, M12, M14) a better choice. U User6179 Guest 30 Mar 2018 So I am looking now to get a new crank. Specifications: Function: installation & removal of cranks Tool Type: special tool Type: multi-tooth You can find the type of the crank located at the back of it. Using most multitools and a little ingenuity you can also tighten/undo those. Torque Conversion Nm = in lb x 0.113 in lb = Nm x 8.851 Recommended Torque Wrenches Park Tools TW-5.2 = 2~14 Nm or 18~124 in lbs. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Slide the crank arm onto a splined spindle and then two perpendicular bolts tighten up? May 23 . AU $11.88. . And why does it matter? The bearing preload is set by the black plastic cap before tightening the pinch bolts when installing the crank arm. outboard cranks/bb setups are noticeably lighter. - Shimano 105 FC-5800. For use with Shimano Ultegra FC-6800 11spd Double Chainsets. Derailleurs 2.6. 6. IceToolz Shimano Hollowtech 2 Unisex Adult Crank Tightening Tool Grey. Only 12-14 Nm though. 4.4-5.4 (do not adjust by more than 0.25 Nm) 39-47.8 (do not adjust by more than 2 in lbs) Rear derailluer - plate unit cover. Set section A of the left crank into the axle of the right4 crank unit where the groove is wide. Brakes 2.5. The cap is not structural in respect to securing the cranks in place. The crank arm is solid, the crank bearings move freely. From that point on, the weight . (Hollowtech, GXP, 30mm ) Pressfit, BB30 & Co; T47 Threaded; Chainrings & Accessories. lbs.} Simon New Member. Given that it is a crappy piece of plastic, like so much of the Shimano range, it doesn't really have a hard life. I run mostly Dura Ace but even then I will do a quick bolt check about every 4-5 . . The important thing here is to get each square ie. for hand use - serrated edge/ for torque wrench can be attached to the wrench by integrated magnets designed for wrench 89515 It also has a distinct advantage of being adjustable with a 5mm allen wrench not the proprietary Shimano tool allowing an easier install. Making enemies with your creaking bike? Insert the right crank unit. Turn the tool around to tighten the pre-load cap on the left hand crank. You need to screw in the little endcap to preload the cranks against the bearing seals. Cranks are tight, preload was doen as I always do, tighten to pull the crank in enough, tighten the inner pinch bolt, back the preload adjuster off a bit, then finish tightening the pinch bolts to. The metal is way too soft to get the cotter pin tight enough, so I stripped the threads while the crank still had play. Star screw f. left Hollowtech II crank Colour: standard Size: Standard O. K. 17/01/20 Star screw f. left Hollowtech II crank Colour: standard Size: Standard Subscribe to our newsletter and get a 2.95 voucher* *For 200 minimum purchase value without return. That seems like a lot for a simple crank. No. It is the professional version of the TL-FC16 and comes with an ergonomic handle. Most older style triple-cranksets have a five-bolt setup. - Shimano Tiagra FC-4703. Once the stopper plate is in place, you are able to tighten down the non-drive side crank bolts down to 12-15 N-m. Clamping of the crank arm onto the axle is accomplished with the two pinch bolts. 799. Then you ride on that for a while, and the spindle wears and play develops -- and the crank can seat against the right bearing. If you didn't get the splines aligned just right, the crank's misalignment . 9 times out of 10, an Octalink crankarm gets ruined by just pushing it straight on the BB axle, then tightening. i_like_it_raw_ 7 yr. ago. This is the sequence. They come in two pieces, a hollow bolt that screws the cranks to the spindle and a threaded cap that screws into the crank itself. Roughly a third of the torque on the bottom bracket. I guess, in theory, if it fell off after that, nothing should change and if you cover the hole short-term so much the better. So far so good. Non-hollow crank arm tighten the 7mm / 8mm allen screws on both left and right arm. - Tighten the left crank drive screws only after you had tighten the fixing bolt. : 41 Defined Color: Black Spindle Interface Type: Shimano Hollowtech II Threaded Model: Includes 3 x 2.5mm spacers Includes TL-FC24 adapter tool Reduced size for . I removed the cranks, re-lubed everything and put everything back together. using the flat blade screwdriver/bottle opener/spoke key or even an allen key jammed into the spline at an angle . A bit more than hand tight is ok, does not need to be over tightened. Ideally you would use a torque wrench to do this. Shimano TL-FC18 is a crank arm tool for tightening and loosening the crank bolts of Hollowtech II cranks. Can you over tighten crank arm? I've noticed that when tightening these cranks (I use genuine Shimano cranks on my EP8) that if you nip up one of the . Handlebars and levers 2.3. Fit the L/H crank but do not tighten the bolts yet. With a square taper crank, you simply need to slot the square aperture in each to the spindle. - Wiggle the crank arms left and right to make sure no. Make sure the crank doesn't have any play. Refer the image A. Hi, can be a bit confusing if it's your first look at hollowtech cranks. Deore, XT, SLX, Saint & Zee (Mtb) Amongst others. I used a pair of small needlenose pliers, spread the tips into the star shaped inner fitting on the cap and turned it in "strongly", but not enough to strip the plastic fitting. - Chainring should be aligned with center rear sprocket. Rear derailleur - outer plate friction torque. It doesn't need to be done up very much, you'll be able to feel when it's home. The amount of pressure applied by a thread can be substantial in order to hold the joint secure. Also, self extraction cranks do not require special tools, and Shimano Hollowtech needs a tool that comes with the Hollowtech bottom bracket tools and the . With a pin spanner, turn the adjustable cup clockwise until there's no more play, but no binding in the bearings. Fundamentally though, it sounds like you have a few problems which only a new crankset and BB would solve. Not suitable for Truvativ bottom brackets. COMPATIBILITY: Shimano 16-Notch X 44mm: Fits 16-notch, 44mm diameter external bearing bottom bracket cups includes Shimano Hollowtech II, Campagnolo Ultra-Torque and Power Torque, Race Face, FSA, SRAM, Truvativ, Chris King, and Phil Wood outboard bearing.Also fits disc brake rotor lockrings with 16 external notches. Pull left side crank arm from bottom bracket axle. May 15, 2008 . that's about the only reason I'd ever run them (and I have on many bikes). Crank came off multiple times to clean and regrease. Tighten: Turn towards (over the top) the front wheel. Track / Singlespeed Cranks: BLB - Pista Vera track crankset - Sugino - SG75 SSG Professional Crankset - Black - Sugino - SG75 NJS Track Crank Arms . A highly durable metal tool to remove and install Shimano HollowTech II integrated Bottom brackets and chainsets. While developing the GRX FC-RX600 10-speed crankset, SHIMANO's developers have paid particular attention to the needs of modern cross, gravel and commuter bikes. It was most noticeable during high intensity activities (climbing out of the saddle and sprinting). Eg. Pressfit Model: For use on BB86/92 bottom bracket shells Compatible with 24mm spindle Hollowtech II cranksets BB Shell Width (mm): 92 mm BB/Frame Interface: BB86 , BB92 Bottom Bracket Shell I.D. 16 Laser cut splines securely engage the notches of the bottom bracket cups, while the other end fits the 8 internal splines of the crank arm adjustment cap. There are two specific crankset that requires the longer 118mm spindle.. that's the LX Hollowtech FC-M572 and the OEM Deore Hollowtech FC-M445. Stopping the RH crankk from rotating with a finger whilst tightening the cap with the plastic widget should give you all the clue you need about the torque required - ie not much . For a BSA-threaded BB, as seen here, clean and grease the frame's . The crank seems bent thouh. Following the introduction of dual shift levers in 1990, Shimano came out with Hollowtech cranks and the accompanying Octalink bottom bracket standard in 1996. I wanted to get the job done to ride the bike today, but could go back and re-do it if it's critical. Earlier poster suggested that modern bikes esp with weight weenie / boutique parts need to be inspected more often. Wheels, cassettes, hubs 2.4. FJ- CN_ G-20 CNC CRANK ARM FIX BOLT CAPS NUT SCREW FOR SHIMANO HOLLOWTECH CRANKS | eBay . designed for tightening / loosening of left crank for integrated bottom bracket Shimano Hollowtech II tightening torgue: 0,7-1,5 Nm in clockwise direction compatible with 8 mm hex key - for loosening only! It does NOT hold the crank on by any means. Of course, it is also compatible with 2-piece cranks. Crank Adaptor Tool for Shimano Hollowtech II, Cr-Mo Steel, Heat Treated. Plastic coated handle for a secure and comfortable grip. Then, before tightening, you should step back from the bike and see if the crank is exactly 180 degrees out from the opposite crank. Only thing left for it to be is the crank itself is bent. The Far and Near crank arm bolt is designed to replace the non-drive side bolt on most Shimano Hollowtech II cranks. Contact the manufacturer for updated torque specifications. The pinch bolts need to be tightened evenly. M20 Pretension bolt for shimano Hollowtech II cranksets only. I would say this was caused by the pinchbolts being TOO tight rather than the other way round, as I found out. . The only other explanation is loose pinch bolts and the crank arm walking out, but that would also push out the preload cap, which can happen. 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