Vuelta XRP Pro SL 26 inch 26in Mountain Bike Wheels Disc Brake Wheel Set Black Shimano Compatible Boxed Alloy Pinned Alloy Wheels Works with Disc Brakes Only Works with 7,8,9 and 10 speed Shimano / Sram Cassettes ( 7 speed users will need a spacer ) Bladed Aero Spokes Super Smooth Sealed Cartridge Bearing Hubs