Leatt - X-Frame Hybrid Knee BraceThe all new X Frame Hybrid Knee Brace is manufactured from Injected Carbon Composite and has a 40% slimmer hinge on the inside to provide superior bike feel, the outer hinge has metal gears for durable and precise movement. We use a separate sleeve with a CE certified impact protector built in to reduce the bulk in the knee area allowing freer movement when wearing race pants. A numbered strapping system for ease and different sized hinge pads are