Shimano BR-UR300 Rear Disc Brake Calliper Flat Mount Black.

• Rear wheel use for flat mount frames
• Opposed 2-piston design reduces leading effect and optimal pad wear increases braking control
• Increased pad to rotor clearance reduces the chance of rotor drag
• One way internal fluid circuit makes bleeding easy
• Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid
• Shim-less mounting bracket allows for quick installation and setting up
• For use with resin pads
• Comes complete with B01S resin compound pads
• Inline hose routing for low profile design