SKU # 61302 FEATURES: WIDE PEDAL PLATFORM FOR FOOT-PEDAL STABILITY. LOW MAINTENANCE SEALED CARTRIDGE AXLE UNIT. LARGE BINDING TARGET FOR QUICK ENGAGEMENT ADJUSTABLE CLEAT TENSION WITH INDICATORS COLOR: BLACK MODEL NUMBER PD-R540 SERIES SHIMANO PEDAL SYSTEM SPD-SL CARTRIDGE SPINDLE YES SPINDLE MATERIAL CHROME-MOLY CLEAT RETENTION INDICATOR YES CLEAT RETENTION ADJUSTER YES SPINDLE THREAD BC 9/16" X 20 T.P.I. PEDAL BODY MATERIAL ALUMINUM / PAINTED CAGE MATERIAL N/A AVERAGE WEIGHT 330G (CLEATS: 70G)