Key Features:The racers\' choice, 105 brake callipers come in a compact and lightweight design for high performance,Low profile aerodynamic direct mount Super SLR-EV Dual-Pivot design provides superior brake performance and light action,Can be used on frames with seat stay direct mounts,Enhanced brake arch proportions give a quicker linear response and increased power,Low profile outer cable stop position improves cable routing for reduced friction,Cartridge brake shoes for easy replacement,Convex washers on the brake shoes offer toe-in brake adjustment and easy alignment,Lightweight aluminium construction, with an anodised finish to preserve the good looks,Compatible with 28c tyres,49mm drop.