SRAM RED XG-1290 Cassette - 12-Speed 10-36t For XDR Driver Body Rainbow E1 Model=Aerothan Tubes BB30: 0mm offset for BB30

BB30: 0mm offset for BB30 short spindle cranks for  49mm chainline

Compatible with bikes up to 40lbs each

EC34 Lowers are not compatible with Surly 1-1/8" straight steerer forks

the CX or XC racing pits

} Perfectly matched to KMC chains

SRAM RED XG-1290 Cassette - 12-Speed 10-36t For XDR Driver Body Rainbow E1 Model=Aerothan Tubes BB30: 0mm offset for BB30Designed 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 Cassette Freehub Compatibility XD R Cog Details 101112131517192124283236 Cassette