E*thirteen Helix Plus 12sp Cassette 9-50t - Black CheckoutSpec= Cable with 4 digit combination lock Material: 6061-T6 aluminum brackets

Material:  6061-T6 aluminum brackets

25x7 Lock Type Key Thickness In mm 13mm Bracket Flexframe

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

1/8” size includes 98 links and 2 master pins

E*thirteen Helix Plus 12sp Cassette 9-50t - Black CheckoutSpec= Cable with 4 digit combination lock Material: 6061-T6 aluminum bracketsEngineered 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