Crux 5 Frameset - FACT 10r CarbonCrux 5 Frameset FACT 10r Carbon The Crux 5 Frameset is a lightweight carbon gravel race platform built for riders who want to create their own fast, capable and performance focused gravel bike. Built around a FACT 10r carbon frame with a claimed frame weight of 897g, this frameset brings the speed focused DNA of the Crux 5 into a custom build package. With a S Works FACT Carbon fork, threaded BSA bottom bracket, flat mount disc brake setup, UDH