Sunrace CSMZ903 12sp Cassette 11-51t - Black S.H.I.S.-ZS44/28.6 / EC44/40 } Butyl rubber tubes in

} Butyl rubber tubes in a wide range of sizes and valve lengths

especially away from the prepared tracks and also in difficult terrain conditions

Includes Valve Core Removal Tool (integrated into spare alloy cap)

Compatible with both Presta and Schrader valves

The easy step in makes putting boots on and taking them off a breeze

Sunrace CSMZ903 12sp Cassette 11-51t - Black S.H.I.S.-ZS44/28.6 / EC44/40 } Butyl rubber tubes inLightweight 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