SRAM RED XG-1290 Cassette - 12-Speed 10-28t For XDR Driver Body Rainbow E1 ModelNumber=10700 Features the newest aero sock

Features the newest aero sock technology and is ideal for time trials and road races

Premium Bearings are high carbon steel bearings made to a higher standard so they run smoother and last longer for those who ride often in all conditions

Jagwire Pro Polished Dropper Inner Cables offer improved flexibility and lower friction than comparable derailluer cables

}Shimano STEPS SM-DUE10 Speed Sensor Unit with 1400mm E-Tube Wire

Smart sensor technology senses motion and turns Vya on when inserted into mount

SRAM RED XG-1290 Cassette - 12-Speed 10-28t For XDR Driver Body Rainbow E1 ModelNumber=10700 Features the newest aero sockDesigned for smooth and fast shifting Gradual gear progression between cogs at least five one tooth jumps on 10 28T, 10 30T and 10 33T cassettes while still offering a wider range 10 tooth start helps provide a wider gearing range Designed to work with an XDR driver body One piece machined steel X DOME design for weight savings SRAM Model ID: CS XG 1290 E1 TECH SPECS Cog Details 101112131415161719212428 Speed 12 Finish Rainbow Cog Material Steel