Bontrager's lightest and stiffest outsoles, Gold Series Carbon outsoles are hand-molded using unidirectional carbon fiber, creating an extremely efficient and responsive platform that gives professional and serious racers distinct performance advantages.
Bontrager's Silver Series Carbon outsoles are designed for competitive cyclists who demand a lot from their shoes. Silver Series Carbon delivers performance and durability with the right amount of stiffness for an efficient pedal stroke.
Bronze Series outsoles combine lightweight nylon with just the right amount of carbon fiber to create an extremely efficient, but more forgiving platform. Designed for enthusiasts and serious riders alike, Bronze Series outsoles are found on Bontrager's RL Mountain and Race Road models.
