The shimano m424 spd mtb pedal has been made with a large high impact resin cage that offers better stability and support when using the pedal and also aids better balance and control off the bike the m424 pedal uses a cr mo spindle with a sealed bearing cartridge axle to ensure that the pedal always turns smoothly and is less prone to picking up and hoarding dirt thanks to the sealed bearings for low maintenance these shimano mtb pedals are suitable for all round use featuring dual sided pop