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The front CXR-1 wheel is held on by a thru axle with some type of cam. Emily Cameron's Collegiate Club Women-winning Giant TCX cyclocross bike. 2019 USA Cycling Cyclocross National Championships bike profiles, Lakewood, WA. Photo: © A. Yee / Cyclocross Magazine

The front CXR-1 wheel is held on by a thru axle with some type of cam. Emily Cameron’s Collegiate Club Women-winning Giant TCX cyclocross bike. 2019 USA Cycling Cyclocross National Championships bike profiles, Lakewood, WA. Photo: © A. Yee / Cyclocross Magazine