The Crank Brothers Stamp 1 is a size-specific, entry-level, composite platform MTB pedal with optimal shoe/pedal interface.These flat pedals offer the same optimal surface area as their higher priced siblings with both small and large pedal platform options.Key Features:Minimal 13mm thickness 9 metal pins per side for better grip in all weathersPremium bearings and seal system, easily serviceable to keep them feeling freshComposite body to reduce weightFootprint - 100mm x 100mm small / 111mm x 114mm large Inner bearing - IGUS LL Glide Bearing Outer bearing - Enduro cartridge bearing Spindle - 52mm forged 435 chromoly steel Warranty - 5 years Weight - 329g per pairSizes:S - (100mm x 100mm) recommended for Shoe sizes 4 - 9 UK (37 - 43 EU)L - (111mm x 114mm) recommended for shoe sizes 9 - 14 UK (43 - 49 EU)