SRAM Force XG-1270 12-Speed Cassette 10-30T sun protection 0 offerings superb thigh and

0 offerings superb thigh and hamstring clearance

Super smooth low skin friction exterior reduces drag

BioViz reflective accents help you stay seen on dim roads

Durable 100% synthetic fibers are highly breathable and anti-microbial

SRAM Force XG-1270 12-Speed Cassette 10-30T sun protection 0 offerings superb thigh and*Features at least five one tooth jumps for a smoother gear progression *10 tooth start helps provide a wider gearing range *Designed to work with an XDR driver body *MINI CLUSTER construction reduces weight and increases durability *All Zipp wheels starting from 2012 are XDR ready Specifications Speed (CS): 12s Gearing: 10 30t Cog finish (Cassette): Silver Technology (Cassette): XG Cog sizes: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30