The Tiagra 4700 Road Dual Pivot Caliper from Shimano is a good value for money brake calliper. The Super SLR dual pivot design keeps operating friction to a minimum, improving brake performance. The enhanced brake arch proportions give a quick linear response and increased power. The lightweight aluminium calliper design has a tough anodised finish and a 49mm drop and the toe-in adjustable brake shoes make for perfect alignment. Available in Grey in Front or Rear, Sold as single.