Design and Details Allows you to chose to ride flat, or clipped in Pedal designed for mountain biking, city and urban commuting, and trekking Forged scm 435 chromoly steel spindle A380 aluminum body Stamped steel wings 300 series stainless steel spring Igus LL-glide inner bearing Enduro cartridge outer bearing 8 moulded pins 57 mm Q-factor Weighs in at 395 grams per pair 5 year warranty