SRAM Rival XG-1250 12-Speed 10-30T Cassette Bike Accessories Brand_Sunrace Features -

Features -

9mm thick butyl rubber innertube strikes the perfect balance between weight and durability

Chainring material: Aluminum

or Gravel bike seat

including a wide-range gearing system

SRAM Rival XG-1250 12-Speed 10-30T Cassette Bike Accessories Brand_Sunrace Features -*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 for durability and light weight *Designed to work with an XDR driver body Specifications Speed (CS): 12s Gearing: 10 30t Cog finish (Cassette): Silver Technology (Cassette): XG Cog sizes: 10 30t: 10,11,12,13,14,15,17,19,21,24,27,30