Full contact body constructed of engineering grade thermoplastic with stainless steel abrasion guardHeat-treated, CNC-machined Cr-Mo axle with LSL bushing, sealed and needle bearingsFiberglass-reinforced thermoplastic, enclosed mechanism, tension adjustable bindingCompatible with Exustar road shoes and Look Keo style shoes/cleats9/16`LSL , Sealed, NeedleBlackLook Keo