If you need just one wheel to stock for on-the-spot repairs, these wheels feature both rim brake and disc brake compatibility. FEATURES: Shimano hub Center-Lock Disc and rim brake SPECS: Hub/Brake Compatibility: Center-Lock Disc Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Wheel Size: 700c ISO Diameter: 622 / road / 29" Valve: Schrader Rim Width (Internal): 16 Defined Color: Black Tire Type: Clincher Rear Axle: QR x 135mm