The shimano 105 5710 direct mount brake caliper are the racers choice offering a lightweight and compact design that has a great performance making 105 5710 the perfect choice for both enthusiast and competitive riders its low profile aerodynamic direct mount super slr ev dual pivot design in conjunction with a super slr lever for the correct leverage ratio provides superior brake performance and light action unlike the 5700 brakes the 5710 are a direct mount brake which bolts straight to