E*thirteen Helix Plus 12sp Cassette 9-50t - Black CheckoutSpec= Cable with 4 digit combination lock all-metal pedal bodies offer more

all-metal pedal bodies offer more clearance and improved durability - Compatible with oval chain rings

Material:   6061 T6 aluminum

we do not recommend using the Wolf Tooth Valais or similar products that limit the downward (retracting) travel of the post

Live Valve integrates seamlessly with the Giant/Yamaha drive system

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

E*thirteen Helix Plus 12sp Cassette 9-50t - Black CheckoutSpec= Cable with 4 digit combination lock all-metal pedal bodies offer moreEngineered 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