Avenir Joytech Disc/Weinmann XM280 32H QR Rear Wheel with 8/9 Speed Cassette Compatible Hub, Disc Brake Only (Black, 29-Inch x 28mm) Weinmann XM280 alloy double wall rim with a quick release Joytec hub Spokes are 14g stainless steel Compatible with disc brakes only 8/9spd cassette compatible hub Rim size is 29" x 28mm wide