Shimano MT420 Deore Post Mount BrakeThis hydraulic disc brake is engineered for fast and fun MTB riding, as it gives you fast and smooth braking performance when you need it most. It features a hard-wearing alloy lever construction, which makes it more than capable of handling all the knocks and hits that come with weaving between the trails. Shimano has also equipped this 4-piston model with an adjustable lever reach, so you can benefit from its rider-tuned feel as it matches your hand size, riding style and the terrain conditions. Features: Brake Lever Material: Alloy Use: MTB Type: Hydraulic disc brake Clamp Design: Hinged clamp design Caliper: 2-piece design Piston: 4-piston Oil: Mineral oil Mounting System: Shim-less mounting system Mount Type: Post mount Compatibility: I-spec EV compatible Adjustment: Reach adjustment Centrelock Compatible: Yes 6-bolt Compatible: Conventional 6-bolt rotors can be used all in a choice of 160mm, 180mm and 203mm Adaptors/Rotors Included: No Cables/Hose Included: Yes Hose Length: 1000mm Included: Resin pads (can be used with sintered and Ice Tech pads), plus spare olives and insert should you wish to adjust the length of the cuttable hoses Single or Pair: Single Part Number: Right Hand Front: MT420RF; Left Hand Rear: MT420LRTechnologies: Centrelock Compatible: Can be used with the revolutionary Center Lock rotor system which fits easily to Center Lock compatible hubs; alternatively conventional 6-bolt rotors can be used all in a choice of 160mm, 180mm and 203mm. Opposed 4-Piston Design: Opposed 4-piston design reduces leading effect and optimal pad wear increases braking control. Two-piece Caliper: Two piece calliper design is both ridged and durable. Ergonomic Alloy Brake Lever: Provides optimum comfort and performance. Mineral Oil: Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid.Shim-less Mounting System: Shim-less mounting system allows for quick installation and setting up.Reach Adjust: Brake lever features reach adjustment for perfect custom fit.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.