e*thirteen Helix Plus 12-Speed 9-50T Cassette - Black Size:9-50 but also for the punishing

but also for the punishing environment of XC racing and endurance riding

placing it on the lower end of the scale and making it better suited for transitional seasons or milder temperatures

Front Derailleur: Shimano Ultegra Di2 FD-R8150

Mfr Claimed Weight1340 g

Spider / chainring mount: SRAM Direct Mount

e*thirteen Helix Plus 12-Speed 9-50T Cassette - Black Size:9-50 but also for the punishingEngineered for E bike durability and cross experience compatible with SRAM, Shimano, and TRP Shifters and Derailleurs of the same gearing count and similar cage capacity. This 9 50T combination is the hot setup for your 12 Speed MTB and allows for a 2 tooth smaller front chainring, shorter chain length, more clearance, and range with our exclusive 9 tooth smallest cog. Future proof your bike, and save weight and cash with the Helix Plus Cassette.