BR-R451 Options:BR-R451 Front Mid-Reach Road Caliper Black Psylo combines value and performance

Psylo combines value and performance to bring capability and reliability to each and every ride

and flat top shape for pure aerodynamics and the highest level of performance

the housing and the structural parts of the locking mechanism are manufactured from hardened steel

Nose Platform - Wider nose to aid in climbing

extending the wearability of this piece when you need the extra leg protection

BR-R451 Options:BR-R451 Front Mid-Reach Road Caliper Black Psylo combines value and performanceShimano 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