This is the same wheel that comes on the FSX HD 1 Mountain Bike. It will work with both rim or disc brakes. These come with tires and tubes already mounted and if you are running disc brakes, you'll need Centerlock style rotors or Centerlock adapters. <br> Aluminum Alloy Disc Wheel Set<br> Size: 26; X 26MM <br> Rim Material: Aluminum <br> Type: Double Wall, pinned seam, clincher drilled for schrader Valve <br> Finish (Color): Anodized black <br> Spokes: 2.2mm stainless <br> Count: Rear: 32 Lacing: 3 cross<br> Nipple: Brass CP Finish <br> Compatibility: 7, 8, 9, 10 Speed (7-SPEED USERS NEED A SPACER) <br> Freehub: SHIMANO / Sram cassette compatible <br> Hubs: Shimano forged alloy hubs with Centerlock rotor mounts<br> Hub Finish: Matte Black <br> Bearing: Sealed and Serviceable ball bearings <br> Axle Material: Cr0-Moly steel <br> Axle Type: Q/R With Alloy Skewer.