The racers' choice, 105 brake callipers come in a compact and lightweight design for high performanceDual-pivot calliper brake with super SLR-EV design for quick linear response, increased rigidity and improved braking powerMust be used in conjunction with ST-5800, ST-6800 or ST-9000 STIs for correct leverage ratioEnhanced brake arch proportions give a quicker linear response and increased powerLow 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 looksCompatible with 28c tyres49 mm drop.