Shimano XTR M9220 Enduro 4-Piston Disc Brake The Shimano XTR BL-M9220 brake lever is designed with evolved ergonomics and the human hand in mind, delivering a powerful pull with consistent lever feel and modulation for ultimate control. The BL-M9220 lever is matched with an XTR BR-M9220 Enduro 4-piston caliper, Shimano's strongest caliper in the M9200 family. New Shimano low viscosity oil keeps the M9220 brakes' bite point consistent in all trail and weather conditions, and new brake pads eliminate rattling noise caused by vibration. Increased power and consistency coupled with the peace of silence give riders pin-point control on rough trails. Shimano low viscosity mineral oil creates a reliable and strong power curve in all temperatures and terrains The BL-M9220 features a new closer piv