The BR-M8220 is the most powerful caliper in the DEORE XT lineup, delivering race-proven 4-piston performance for aggressive trail and enduro riding. Its two-piece construction and high-performance design ensure maximum stopping power, enhanced control, and consistent braking in all conditions. Shimano's low-viscosity mineral oil keeps the feel consistent, while redesigned pads help silence trail chatter with anti-rattle updates for a smoother ride. Features: Updated Seals and Low Viscosity Oil: Ensures a consistent bite point across varying temperatures and trail conditions. Predictable Power: Tuned power curve designed for the demands of enduro racing and rough, technical terrain. Heat Dissipation: Compatible with resin or metal pads (finned or standard) for customizable brake feel and performance. Rattle-Free: Refined pad shape and oval mounting hardware minimize vibration and unwanted noise. Specs: Series: XT M8220 Model ID: BR-89220 Pistons: 4 Mount: Post mount Installation Note: Fits front or rear brake Weight: 186g Compatibility: Brake lever: BR-M8200 Brake hose: SM-BH90-SBM Oil: Shimano Hydraulic Mineral Oil (Low Viscosity) Brake pad: