Shimano tiagra 4700 road brake calipergood value tiagra caliper brake with a super slr dual pivot design that keeps operating friction to a minimum and improves braking performance features enhanced brake arch proportions give a quicker linear response and increased power 49mm drop lightweight aluminium caliper design with tough anodised finish toe in adjustable brake shoes for perfect pad alignment durable quick release for fast and easy wheel removala 2 year warranty is offered with all shima