SRAM Rival AXS XG-1250 Cassette - 12-Speed - 10-36t - XDR Compatio_Enriched Most of them use 1-speed

Most of them use 1-speed systems

K04S Disc Brake Pads

while ushering in upgrades with an enlarged 3" chronograph inspired gauge and new hammer style TwinHead DX pump head

or tool kit

Ceramic compounds provide ultra-low friction for unparalleled lubrication

SRAM Rival AXS XG-1250 Cassette - 12-Speed - 10-36t - XDR Compatio_Enriched Most of them use 1-speedThe SRAM Rival XG 1250 Cassette offers smooth, precise shifting in ranges that cover road, gravel and everything in between. SRAM brings their premier 12 speed drivetrain features such as a wide range, X Range gearing technology, and a 10 tooth start to the Rival component group. X Range gearing gives you more range and a smoother gear progression, so youre always in the right gear Nickel chrome plating for quiet and durability FULL PIN construction