Leatt - C-Frame Carbon Knee BraceThe Leatt C Frame Carbon Knee Brace is an entirely different approach to further help prevent knee injuries for motorcycle, ATV and snowmobilers. No knee brace can prevent all foreseeable knee injuries but Leatt laboratory engineers and other medical professionals have come up with a radical departure in design to help further reduce injuries over what traditional cage type knee brace designs can do. The C Frame is based on three point force