Vintage ASCO BMX Power Disc Chainring Spider 110 130 BCD 5-Bolt Black Old School Vintage ASCO BMX Products chainring power disc for classic BMX bikes and drivetrains. Part type and use: round aluminum chainring guard or power disc for BMX cranksets using 5 bolt chainrings with 110 mm or 130 mm BCD patterns. Used ASCO BMX chainring guard with cosmetic wear from prior BMX use and storage. Both faces show numerous scratches, scuffs, and finish wear, especially around the bolt holes and center opening. Aluminum plate remains flat and structurally solid without deformation. Listing includes the guard disc only; ruler, BCD template, scale, and any other background items are not included.
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