Fits all Twist modules

Two lengths are included

This aids in slowing down the rotation of the brain inside your skull

These covers are a great option if you're new to riding or coming back after a long time off the bike as they can make the 'break-in period' of your backside a little more pleasant

SunRace CSMX9X 11 Speed Cassette - 11 Speed - XD Driver - 10-46T - Black - Black Needs Images Fits all Twist modulesIntroducing the 11spd lightweight cassette from Sunrace. Compatible with 11 and 12 speed XD drivers, the cassette mounts via an included adaptor which attaches to the XD Driver. Who's this item for: Riders looking a smooth, wide range XD compatible cassette. Number of gears: 11 speeds. Weight: 495g. Materials: Aluminium 7075 T6. Cog tooth span: 10 42t: 10 12 14 16 18 21 24 28 32 36 42 10 46t: 10 12 14 16 18 21 24 28 34 40 46 Freehub mounting style: XD