FSA Non Series Convertible Wheelset - 650b, QR/12/15x110mm/QR/12/15 x 135/142mm, Center-Lock, HG 11, BlackAlloy MTB, cyclocross, and gravel bike wheelset with the same FSA reliability and high performance technology. Suitable for use on a wide range of price point bikes. Compatible with cyclocross and gravel bikes Product Specifics Rim Width (Internal): 22 Defined Color: Black Rear Axle: QR x 135mm Rear Axle: 12mm Thru x 142mm Wheel Size: 650b ISO Diameter: 584 650b 27. 5" Valve: Presta Tire Type: Tubeless Ready Tire Type: Clincher Front Axle: 15mm Thru x