The racers' choice, 105 brake callipers come in a compact and lightweight design for high performance Shimano 105 5810 Brake Caliper Low profile aerodynamic direct mount Super SLR-EV Dual-Pivot design provides superior brake performance and light action Can be used on frames and forks with direct mounts Must be used in conjunction with ST-5800, ST-6800 or ST-9000 STIs for correct leverage ratio 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 49 mm drop