Shimano R451 Dual Pivot Brake Caliper Black

Shimano R451 Dual Pivot Front Brake Caliper Features Good value 57 mm drop front calliper brake Super SLR dual pivot design keeps operating friction to a minimum, improving braking performance Must be used in conjunction with ST-4600, ST-4603, ST-5700, ST-5703, ST-6700 or ST-7900 STIsfor correct leverage ratio Enhanced brake arch proportions give a quicker linear response and increased power 57 mm drop Lightweight aluminium calliper design with tough anodised finish Toe-in adjustable brake shoes for perfect pad alignment Durable quick release for fast and easy wheel removal Comes with 10.5 / 12.5 / 18 / and 27 mm sunken nut