Crank Brothers Stamp 1 Platform Pedals. Features: Composite body with thin 13mm profile Offered in small (100x100mm) and large (114x111mm) sizes for optimal shoe-pedal interface Small recommended for size 5-10 (37-43): Large recommended for size 10-15 (43-49) Premium bearings with double seal system, steel spindle 9 adjustable hex traction pins per side 5 year warranty