Full Speed Ahead Non Series Convertible Wheelset - 29" 12/15x100mm/12x142mm Center-Lock HG 11/12 BLKFull Speed Ahead Non Series Convertible Wheelset 29" QR 12 15x100mm QR 12 15 x 135 142mm Center Lock HG 11 12 Black. Alloy 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 TECH SPECS Rear Axle QR x 135mm Rear Axle 12mm Thru x 142mm Rim Width (Internal) 22 Cassette Body Type Shimano SRAM 8 9 10 Speed