Fits directly on to original caliper hanger and brake line2-piston caliper, CNC machined out of billet aircraft aluminium, black anodized and laser markedCompact, rigid design, offers a significant increase in power and reliability over originalCaliper pistons are equipped with a magnet for optimal brake pad retractionEasy to bleed while mounted on the bikeNitro Series Brake pads are oversize compared to original for more power and longer lifespanMatching Moto-Master brake pads PART #s 1721-1258 (11 compound), 1721-1259 (12 compound) and 1721-1858 (21 compound)