SRAM Red Cassette XG-1290 E1 12-Speed 10-33T Wheel Brand_Fulcrum The new one-piece front end

The new one-piece front end (first pioneered on the S5) is simpler to assemble and adjust

Built on the success of the standard GravelKing

high-tensile steel

Cassette: CS-R8100 Ultegra 12sp 11-34T

Peloton for cycling and Runkeeper and MapMyRun for running

SRAM Red Cassette XG-1290 E1 12-Speed 10-33T Wheel Brand_Fulcrum The new one-piece front endDesigned for smooth and fast shifting Gradual gear progression between cogs at least five one tooth jumps on 10 30T 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 Specifications Speed (CS): 12s Gearing: 10 33t Cog finish (Cassette): Silver Technology (Cassette): XG Cog sizes: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24,