ALPINESTARS Bionic-10 Carbon Knee Brace - Left - XL/2XL 650041913XL/2X Youth Tech 3S Boots — 40 which is a 58-62 Rockwell

which is a 58-62 Rockwell (C scale)

Setup as shown the VE2 kit has the best midrange to top end balance for road racing at most tracks (see option VE1 stacks for high speed tracks with long straights or drag racing)

Thermoplastic Polyurethane (TPU) shin-plate construction and a reinforced hook-and-loop closure offers a comfortable

membrane liner full-sleeve liner with taped seams

ALPINESTARS Bionic-10 Carbon Knee Brace - Left - XL/2XL 650041913XL/2X Youth Tech 3S Boots — 40 which is a 58-62 RockwellFeatures lightweight hybrid frame construction of carbon composite cores over injected with an advanced fiber reinforced polymer Innovative design and optimized material utilization of the exoskeleton frame construction make the knee brace even lighter than its predecessor, yet provides high structural strength and support Performs at temperatures as low as 4F Double pivoting hinge system incorporates tool free, fast, easily exchangeable extension