Exustar E-PR2-BK Road Clipless Pedal, Black SPD-SL compatible Thermoplastic body Reinforced fiber glass binding Stiff injection engineering thermoplastic body for long service life CNC-machined Cr-Mo cartridge axle LSL bushing and sealing bearing reduces weight and thickness Fiberglass reinforced thermoplastic binding ; Adjustment screw located in safe position Recommended cleats: E-ARC R2/E-BLK R2