This steel rear axle provides maximum durability for E-sync and Neo 12x150mm and 12x157mm hubs. Weighing only 43g more than an alloy axle, the steel axle provides a significant increase in durability. This axle features a high-precision centerless ground treatment that ensures perfect bearing fit. Compatible with E-sync and Neo 6-bolt and Centerlock hubs. Not compatible with 135mm, 142mm, 148mm, or single-speed E-sync and Neo hubs. Not compatible with M-pulse hubs. Not compatible with Micro Spline freehubs.
E-sync hubs are built to last, including under the higher torque and weight of eBikes. A 6066 alloy shell, heat-treated steel ratchet ring, reinforced pawls, and full Enduro bearings rovide brute strength, while 8.18° engagement provides the speed.