MSW Thump Pedals - Platform Composite 9/16" BlackMSW Thump Pedals Platform Composite 9 16" Black. MSW Thump composite pedals feature a concave shape and tall pins to provide a "just right" amount of traction enough for the rigors of riding off road but with in mold nylon pins to keep calves laceration free on more casual rides. Balance doesnt have to mean boring! Tough nylon composite body with in mold pins Chromoly steel 9 16 spindles sealed cartridge bearings and nylon bushings Platform size = 118