I've also snapped a few chainring bolts by overtightening... threadlock lets you get away with having to use too much torque. (372 in.lbs ÷ 531 in.lbs) - chainring fixing bolt: 8 Nm (71 in.lbs) • Contact your nearest Campagnolo® Service Center for the replacement of the bearings. Contrary to the note from thecycleclinic above, the torque does matter insofar as loss of a chainring bolt on the carbon chainsets *can* lead to not only failure of the chainring but also that of the spider - it's rare, we've seen it only twice in 5 years as Campagnolo's main Service Centre in the UK ... but if it does happen, it's expensive and not covered by the … Cheers, Andy ps Some bolts have allan key fittings on the back, rather than the slots shown above. Dry torque is 8nm. m {105 - 122 in. Free Member. sefton. Taking the chainrings off a Sram Red Black crankset, and going to a 1x narrow wide chainring. As the first post said, I'm looking for an actual printed text on the official torque spec for the E-8000 chainring bolts - meaning, official Shimano saying official torque spec for the E-8000 or STEPS chainrings. Not looking for a how-to or generic specs. Torque Chart Component inch-pound Nm Component inch-pound Nm Bottom Bracket (cartridge) Chainring Bolts body & adapter cups steel Shimano 435 - 608 49.1 - 68.7 Shimano 70 - 95 7.9 - 10.7 Bottom Bracket (outboard) aluminum bearing cups Shimano 44 - 88 5.0 - 9.9 Shimano 305 - … chainring bolt torque settings? Furthermore, after riding approximately 100km (60 miles), use a torque wrench to re-check the tightening torques. I know how to and have the tools to change chainrings and chainring bolts. Discussion Starter • #1 • Nov 10, 2014. The bolts tightening the stem cap (faceplate) should be tightened 1/4 - 1/2 turn at a time in an “X” pattern. The tables at the bottom of this page give bolt-circle diameters for major brands. lbs.}. RoAd ChAinRing CoMpAtibiLity ChARt ... Align the stem to the bike, then preload the headset by installing the top cap bolt to the torque specified by your headset manufacturer’s instructions. Crank bolts: 34-44: 305-391: Octalink XTR crank arm bolt: 40.3-49: 357-435: Hollowtech II crank bolt pinch screws: 9.9-14.9: 88-132: Crank bolts (one key release) 5-6.8: 44-60: Pedal shaft into crank arm: 35: 304 Alternate between the two bolts so both reach recommended torque simultaneously. is the number on a chain ring N10 the torque settings. 6 Tighten the steerer clamp or direct mount bolt(s), in increments of one full turn, in 7 Aftermarket and less prominent brands tend to use the same bolt-circle patterns as the major brands. "The bolts tightening the stem to the steerer tube should be tightened 1/4 - 1/2 turn at a time. I have a FSA SLK carbon crank and would like to replace the chainrings. 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