The original Formula disc brake pads.
The original brake pads for Formula C1, R1, RX, The One and Mega disc brakes, made from a sintered metal compound.
The original brake pads for Formula R1, RX, RO, The One and Mega disc brakes, organic compound.
The original Formula C1, R1, R1 Racing, RO, RX, The One and Mega disc brake pads, organic compound with aluminium backing.
The retaining ring for Formula brake pad retaining screws corresponds to No. 5