Stamp 7 Pedals - Large - Silver Stamp 7 Pedals Size-specific pro-level concave platform pedal provides optimal shoe/ pedal interface Optimal surface area Optimal surface area Minimal profile: 11mm-13mm thin Minimal profile 11mm-13mm thin Concave platform for secure foothold Concave platform for secure foothold 10 adjustable pins per side for grip 10 adjustable pins per side for grip Premium bearings & seal system Premium bearings and seal system Serviceable with pedal refresh kit Small recommended for U.S. men’s shoe sizes 5-10 Large recommended for U.S. men’s shoe sizes 10-15 Forged 6061-T6 aluminum body material Forged SCM 435 chromoly steel spindle material Small measures 100mm x 100mm Large measures 114mm x 111mm