The FR-1.3 is designed to fit the most common tool fitting found on 5-to-10 speed bicycle freewheel systems, including many models made by Shimano®, Sachs Aris®, SunRace®, Dimension®, and DNP Epoch™.
A pure racing shoe: the lightest and most breathable model in the fizik performance line, with a high-tenacity mesh-like upper structure, foot-wrapping Velcro closure and R2 carbon outsole.