Engineering grade thermoplastic body with heat treated CNC machined chromoly axle LSL bushing and sealed bearings for smooth operation Fiberglass reinforced thermoplastic binding with enclosed mechanism, tension adjustable with gauge EPS / Delta Look compatible cleat interface 294g per pair Size: 9/16" Bearing: LSL/Sealed Cart. Color: Black Cleat Type: Look Delta Material: Alloy/Composite Style: Single Sided Search Color: Black