Shimano BR-R451 Front Mid-Reach Road Caliper Black. Shimano BR-R451 Road Brake Calipers

• Compatible with STI and brake levers that are Super SLR enabled (e.g. Dura Ace Di2 7970 Dura Ace 7900 Ultegra Di2 6770 Ultegra 6700 105 5700 Tiagra 4600)
• Light action and accurate brake power
• Adjustable toe-in brake shoes
• Use of these calipers with standard SLR enabled STI and brake levers results in a “mushy” brake response

Details