Wide carbon rim optimizes tread patterns on 2.4 - 2.8" tires 36mm ID, 40mm OD tubeless ready carbon rims with offset spoke hole layout Wide bearing stance for reduced radial loading Hub end caps are easily replaced to fit virtually any axle standard 120point, 6x3-pawl system engages every 3 degrees International Standard 6bolt disc rotor mount Choose SRAM XD or Shimano Hyperglide freehub Built with double butted spokes and alloy spoke nipples Wheels are backed by Race Face's 2 year nofault Carbon Confidence Guarantee 1790g f/r set