Avenir Shimano 32H QR DT Spokes Rear Wheel with 8/9 Speed Cassette Compatible Hub, Disc Brake Only (Black, 26-Inch x 23mm) Mavic XM317 alloy double wall rim Shimano Deore XT disc hub Compatible with disc brakes only black 8/9spd cassette compatible hub Rim size is 26" x 23mm