Wolf Tooth Rear Axle - Black - 172mm Axle Length - 13mm Thread Length - M12 x 1.5mm Thread Pitch Dropship The narrow-wide tooth profile is

The narrow-wide tooth profile is necessary in single chainring setups to help prevent the chain from dropping off

with durable nylon bristles and an impact resistant handle

The 39mm end is the right size for XTR BB93 (as well as DuraAce 9000 and some Token BB's) external bottom brackets

Includes Hydraulic hose jaw

the most effective seals and the best aesthetics in the market today

Wolf Tooth Rear Axle - Black - 172mm Axle Length - 13mm Thread Length - M12 x 1.5mm Thread Pitch Dropship The narrow-wide tooth profile isThe Wolf Tooth Rear Axle is more than just a replacement rear axle. They use a captive steel washer under the head which reduces friction on the dropout face. This protects your frame and transfers more of the clamping force which then prevents the axle from sticking. Compatibility: 12mm Rear Thru Axle Axle length is compatible + 2mm Axle length is independent of hub dimensions. Please use the Axle measurement guide to find the axle length needed.