SHIMANO B-RR317 Front Disc Brake Caliper

With a low profile design, the SHIMANO R317 mechanical disc brake is compatible with post mount framesets and is offered in black and silver. Features: - Compact design - Lower profile (vs. BR-R505) - SM-RT54 160mm recommended Specifications: - Brake type: Mechanical disc brake - Compatibility: NEW SUPER SLR - Pad Standard 1: G05A-RX Resin (w/o fin) - Recommended brake lever: BL-R2000 - Recommended disc brake rotor: SM-RT54 (160 mm), SM-RT70 (140 mm) - Mount type: Post mount - Piston: 1 - Caliper fixing screw Tool size: 5 mm - Caliper fixing screw Anti loosen method: Snap ring - Pad mount: Pad axle Technology: NEW SUPER SLR: - SLR stands for SHIMANO Linear Response. The NEW SUPER SLR design makes use of a friction-reducing mechanism in the caliper, lever and cable that improve response and modulation. - Also for the lever, the SERVOWAVE mechanism is adopted to provide quick contact of shoe to rim and longer stroke from the initial braking effect for better control. - SLR is the essential factor in the SHIMANO dual-pivot caliper that deliver more braking power than conventional side-pulls.