The vest has a hard-shell exterior

To determine which type of mount you need just think about what size mounts your frame/fork has and how much larger the rotor is that you'd like to run

It supports an array of speeds

Mounting Standard: Fits with ISCG05 or BB via external BB adapter

Fox Proframe RS Helmet - M - Taunt - Cocoa eBay The vest has a hard-shellLightweight, Downhill Certified, Full Face Helmet Featuring MIPS Integra Split And BOA Fit System To Create A Pro Level Helmet. BOA fit system for class leading fit and security MIPS Integra Split impact protection system combines an EPP liner with the EPS layer and is designed to reduce rotational forces in a crash 3 position adjustable visor compatible with goggles Removable under visor GoPro mount included Increased ventilation and decreased