E*thirteen Helix Plus 12sp Cassette 9-50t - Black CheckoutSpec= Cable with 4 digit combination lock Orthopedic Comfort Foam Rail Material

Orthopedic Comfort Foam Rail Material Titanium Alloy Saddle Cut Out Yes Material Synthetic Clamp Style Std Rails Gender/Age Women's Color Black Weight 215 Defined Color Black Gender Womens Position Mid

but use a different axle and ratchet to lower the cost

Wheel must be re-dished to stay centered in the frame

Material:  6061-T6 aluminum brackets

Live Valve integrates seamlessly with the Giant/Yamaha drive system

E*thirteen Helix Plus 12sp Cassette 9-50t - Black CheckoutSpec= Cable with 4 digit combination lock Orthopedic Comfort Foam Rail MaterialEngineered for E bike durability Work flawlessly with Shimano and SRAM (non Transmission) 12sp drivetrains, regardless of different cog spacing and chain behavior Improved reliability of a steel and aluminum assembly Offering a 556% range utilizing an XD driver to enable a 9 50t, 12sp cassette Special note for Hope hub owners: Hope XD drivers do not adhere to the XD specification and require an additional shim. Shims can be acquired from E*Thirteen