Shimano Ultegra BR-RS811-R BB/Chainstay Direct Mount Rear Brake Caliper Grey

The Shimano Ultegra BR-RS811-R Chainstay Direct Mount Rear Brake Caliper is a bottom bracket mount calliper that offers an ideal balance of lightweight and stiffness, making it the perfect choice for both enthusiast and competitive riders.Shimano Ultegra BR-RS811-R Chainstay Direct Mount Rear Brake Caliper FeaturesLow profile aerodynamic direct mount Super SLR-EV Dual-Pivot design provides superior brake performance and light actionMust be used in conjunction with super SLR levers for the correct leverage ratioEnhanced brake arch proportions give a quicker linear response and increased powerCan be used on frames with bottom bracket/chainstay direct mountsLow profile outer cable stop position improves cable routing for reduced frictionCartridge brake shoes for easy replacementConvex washers on the brake shoes offer toe-in brake adjustment and easy alignmentLightweight aluminium construction, with an anodised finish to preserve the good looksAdded clearance for compatibility with 28C tyre size