The Race Face Aeffect Pedals feature a thin platform, with an aluminium body with bottom loading pin. Set up with a short spindle to shave weight, the chromoly axle are tough enough for downhill but perfect for trail riding. Hidden grease ports allow for easy maintenance so you can keep it going for longer!.  Height: 15-16.9mm . Pins: 20 SHCS hex /pedal . Axle Material: Chromoly Steel . Body Material: 6061-T6 Aluminium . Bearings: Cartridge bearings and DU bushings . Weight: 375g . Colour: Black / Red / Blue . Recommended Use: Trail / All Mountain / Free Ride / Down Hill