Special `mag-friendly` compound works great on ALL composite mag wheels It is recommended to use the same color pad as the mag wheel Made just like `back in the day` with a small threaded post, will fit all old school style caliper brakes and some V-brakes Molded brake pad and holder unit Sold in pairs 1 Pair 45.5mm Composite Wheels AquaUPC/EAN/GTIN: 760251081417