Size-specific, entry-level, composite platform pedal with optimal shoe/pedal interface Optimal surface area Minimal profile 13mm thin 10mm hex traction pins, 9 per side Premium bearings & seal system 12mm hex traction pins available through small parts orders Composite body material Small recommended for U.S. menÆs shoe sizes 5-10 Large recommended for U.S. menÆs shoe sizes 10-15 Forged SCM435 chromoly steel spindle material Serviceable with refresh kit. PEDAL STAMP 1 LG BLU