The INSIGHT RLC Crankset offers a race designed crankset that puts you in contention to reach the podium. These two piece cranks feature alloy forged arm set and are the perfect affordable upgrade for BMX. Pedal to be mounted with the supplied washers. Specifications: Material: Aluminum Bottom Bracket Included: No Crankset Style: 2-Piece Axle Diameter: 24mm BCD.