The Aluminum Series calipers are made from a special type of aluminum used in aerospace.The Flex On caliper offers sophisticated shock absorbing flex, with a tread pattern featuring a Grip or Ultra Grip surface for improved grip, optimal stability and a perfect connection to the frame.The stirrup frame with its staggered, angled slot for the stirrup leather is ultra lightweight. It also offers the rider a privileged place for personalized communication.Comes with a slanted footbed ultra.
