More efficient joints and low viscosity oil: a clear contact point regardless of the riding conditions. Controllable power: power curve compatible with DH (downhill racing), refined for the rigours of enduro racing and demanding all-day rides. Heat dissipation: resin or metal pads, with or without fins, allow cyclists to precisely adjust their braking feel when paired with SHIMANO discs. Quiet operation: the redesigned pad and oval support eliminate unnecessary noise.The BR-M8220 four-piston, two-piece caliper is the most powerful in the M8200 family, designed to boost power, consistency, and control. The new low-viscosity oil keeps the contact point for the M8220 brakes constant in all riding and weather conditions, and the new brake pads eliminate noise caused by vibrations. Enhanced power and consistency give cyclists precise control on rough trails.