These are the same wheels that comes on the FSX 2.0 Mountain Bike. These will work with both rim or disc brakes. The tires and tubes are already mounted. Aluminum Alloy Disc Wheel Size: 26; X 26MM Rim Material: Aluminum Type: Double Wall, pinned seam, clincher drilled for schrader Valve Finish (Color): Anodized black or Painted Red Spokes: 2.2mm black stainless Count: Rear: 32 Lacing: 3 cross Nipple: Brass CP Finish Compatibility: 7, 8, 9, 10 Speed (7-SPEED USERS NEED A SPACER) Freehub: SHIMANO cassette compatible Hubs: forged alloy with high flanged hubs with 6 bolt rotor mounts Hub Finish: Matte Black Bearing: Sealed ball bearings Axle Material: Cr0-Moly steel Axle Type: Q/R Skewers Included. Spacing: Front is 100mm and rear is 135mm Tire: CST 26 x 2.10 Knobby Tread. This listing is for a set of wheels, tires and tubes. You will need to install your own cassette