SRAM RED XG-1290 Cassette - 12-Speed 10-28t For XDR Driver Body Rainbow E1 Model=Nano Tire and to fit additional accessories

and to fit additional accessories like a pump

The cap is designed for years of leak-free use

One-piece aluminum 2x chainring and carbon crankarms results in a lighter weight stiffer more durable crankset that provides crisp and accurate shifting

front/rear rear (HG 8-11sp) axle/spacing (mm) 12x148 Boost hole 32h color turquoise weight 286g

or SRAM SX cranks

SRAM RED XG-1290 Cassette - 12-Speed 10-28t For XDR Driver Body Rainbow E1 Model=Nano Tire and to fit additional accessoriesDesigned 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