Oakley Frogskins Range Sunglasses NTN Soft ribbed material at wrists Soft ribbed material at wrists and collar add warmth and allow easy layering The open binding mechanism is designed to better shed mud Open design pedal in economical price Low maintenance sealed bearing cartridge axle PEDAL AXLE MATERIAL Chromoly Steel SERIES Non Series TYPE SPD GENERATION Non Series CARTRIDGE AXLE X PEDAL BODY MATERIAL Aluminum AVERAGE WEIGHT 380g SIZE: L (134MM) • LIGHTWEIGHT AND DURABLE Manufactuered with BiO Matter™ frame material made from bio materials having at least 56% bio based carbon content (representing ratio of castor oil to fossil sources)