Wolf Tooth Rear Thru Axle - M12 1.0 x 165mm for X12 x 148mm Black. The Wolf Tooth Rear Axle uses a captive steel washer under the head to reduce friction on the dropout face. This protects your expensive frame transfers more of the tightening torque to clamping load for a stiffer interface and prevents the axle from sticking or galling when you want to remove it.

Made in Minnesota to aerospace standards