Shimano Claris BR-R2000 Brake Caliper The Shimano Claris group is aimed at entry-level cyclists who are looking for quality performance on a beginner's budget. The Shimano Claris BR-R2000 Brake Caliper shares the same features as the new Dura Ace 9100 and Ultegra R8000 but at a price that is hard to beat! One of the big features is the compatibility to use with 28mm tires. It also provides more than 30% greater brake performance compared to the current models. Features Model Number: BR-R2000Series: Claris Brake Type: New Super SLR Dual Pivot | Shimano | Claris Br-R2000 Brake Caliper | Silver | Front