Shimano BR-MT420 hydraulic disc brake caliper with 4-piston design delivers powerful, consistent stopping performance across varied terrain and weather conditions. Features 4-Piston-Brake Caliper Brake Caliper for Postmount Brake For front or rear mount Specification Use: MTB Model: BR-MT420 Brake type: Disc-Brake Mount: front / rear Brake mounting: Postmount Brake pads: D03S Resin without Fin Cable connection: Straight One-Way bleeding: Yes Brake fluid: Shimano Mineral oil Recommended brake lever: BL-MT401, BL-MT420-3A Recommended brake hose: SM-BH90-SS Recommended brake rotor: SM-RT64, SM-RT66, SM-RT54, SM-RT56 Material Aluminium Colour Black Contents 1 x Shimano BR-MT420 Brake Caliper We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Weights are based off pre-production products at time of publication. Weights may vary in final production.