E*thirteen Helix Race 12sp Cassette 9-52t - Black CheckoutTitle=RockShox Revelation 40 Tire Diameter/ISO 27

40 Tire Diameter/ISO 27

and a stout injected nylon inner shank to help transfer your power to the pedals

Dual DU bushes provide long lasting super smooth performance

Length 135 Color Red/Fire Flange No Lock On Yes Grip Shift Specific No Defined Color Red Shape Round

E*thirteen Helix Race 12sp Cassette 9-52t - Black CheckoutTitle=RockShox Revelation 40 Tire Diameter/ISO 27Work flawlessly with Shimano and SRAM (non Transmission) 12sp shifters, regardless of different cog spacing and chain behavior Improved reliability of a steel and aluminum assembly Intergalactic PVD finishing is twice as durable as anodized models 9 50t offering provides a 556% range 9 52t offering provides a 578% range Special note for Hope hub owners: Hope XD drivers do not adhere to SRAM XD specification and require an additional shim. Shims can be