120 teeth triple-wedge pawl mechanism provides positive and secure drive and a freewheel sound like no other. Micro-notch engagement gaps for instant pedal pick-up.CNC alloy shell.IS Disc compatible.Alloy cassette carrier (Shimano HG compatible).4 sealed bearings.CNC Alloy QR type axle.32h or 36hAvailable in Black, White, Red, Blue or Silver.Weight: 296g (135mm 32H).Tech:58mm flange diameter34mm C-L20mm C-RShimano HG splined cassette.SRAM XD Freehub Body also available.Axle options available separately:QR, 12x135mm & 12x142mm Thru Axle.