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The C//C frame features a replaceable insert which contains the threading for the 12mm thru-axle, eliminating the chance of damaging the frame by cross threading. Lance Haidet's 2018 RenoCross Donnelly C//C Cyclocross Bike. © C. Lee / Cyclocross Magazine

The C//C frame features a replaceable insert which contains the threading for the 12mm thru-axle, eliminating the chance of damaging the frame by cross threading. Lance Haidet’s 2018 RenoCross Donnelly C//C Cyclocross Bike. © C. Lee / Cyclocross Magazine