LIGHTWEIGHT AND PREMIUM QUALITY: Stamped steel body, 290g per pair CLIP-IN SYSTEM DESIGNED FOR OPTIMAL SHOE / PEDAL INTERFACE: Stamped steel wing, customizable float & release angle (premium brass cleats with shims included) PROVIDES SUPERIOR GRIP AND PERFORMANCE: 4 sided entry for superior mud shedding, 52mm q-factor DURABLE & PREMIUM COMPONENTS: Premium quality Igus bearings and double seal system, chromoly steel spindle, fully serviceable with refresh kit, 5 Year warranty DESIGNED TOGETHER WITH CRANKBROTHERS SHOES: Crankbrothers clip-in shoes are designed to create the optimal shoe / pedal interface through the Match system.