SRAM RED XG-1290 Cassette - 12-Speed 10-30t For XDR Driver Body Rainbow E1 Eye to eye length (mm)-230 5 BB Shell Width (mm)

5 BB Shell Width (mm) 107 BB Shell Width (mm) 121 BB Shell Width (mm) 132 Spindle Interface Type RaceFace/Easton CINCH Spindle Interface Type 386 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type Zipp Vuma Spindle Interface Type e*Thirteen P3 Connect Defined Color Black

Lightweight cotton and durable aramid

It fits tighter for better chain retention

Contains "Carbon Black" (rCB)

} Air piston shaft assembly only (mnimum required part to adjust travel on 2013+ Reba

SRAM RED XG-1290 Cassette - 12-Speed 10-30t For XDR Driver Body Rainbow E1 Eye to eye length (mm)-230 5 BB Shell Width (mm)Designed 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 Material Steel Finish Rainbow Speed 12 Cassette Spider Mat. Steel Cassette