They have a Flex-Core Zone which allows the Nylon Pad to conform to the curvature of the rim during use for maximum distribution of load

Maybe you know of one that is

Chain compatibility: Compatible with all chains

- If you have a stepped axle from 24mm down to 22mm

technical mountain bike shorts that work both on and off the bike

100 Percent Speedtrap Sunglasses - One Size Fits Most - Matte Metallic Viperidae Bronze Multilayer Mirror Lens Ignore Wholesale Tier 1 Brand Rule They have a Flex-Core ZoneThe Speedtrap's expansive six base single lens shield increases peripheral vision and protection and delivers enhanced vision and clarity by following the natural contours of your eye. Featuring cooling vents and uncompromising fit with three way adjustable temple arms. The ultimate performance paired with aggressive futuristic styling. Designed in California, made in Europe High impact resistant and lightweight polycarbonate lenses 5 base cylindrical