The Ultegra 6810 direct mount brake calipers have a low profile design for increased aerodynamics, mounting directly to forks and the chainstays. This Dual-pivot caliper has an immediate linear response, increased rigidity and improved braking power. A Dual-pivot caliper brake with super SLR-EV design for an immediate and linear response to lever action increased rigidity and improved braking power. Ultegra components offer an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders.