Sunrace CSMZ903 12sp Cassette 11-51t - Black CheckoutTitle=ODI Bjorn v2.1 Lock On Grips - Recycled Rubber Included in box: Dropper seatpost

Included in box: Dropper seatpost

Edge Control

View daily suggested workouts and training prompts on screen

Tire lever not recommended for use on carbon rims

Sunrace CSMZ903 12sp Cassette 11-51t - Black CheckoutTitle=ODI Bjorn v2.1 Lock On Grips - Recycled Rubber Included in box: Dropper seatpostLightweight wide range mountain cassette compatible with HG 8 11sp freehub bodies Fluid Drive Plus shift enhancing design 7075 aluminum largest 3 cogs, all other cogs are steel 7 cogs on 2 aluminum spiders, aluminum lockring and spacers Compatible with Shimano 12 speed drivetrain TECH SPECS model CSMZ903 freehub type HG speed 12 range 11 51 cogs 11,13,15,17,19,21,24,28,33,39,45,51 color black weight 517g