The Wolf Tooth Components B-RAD Extra Large Strap Mount is a versatile mount that allows users to securely strap down larger items like jackets, bags, growlers, Nalgene bottles, or whatever you carry with you on the bike. Includes the mounting plate, an engineered main strap, cradle strap, and associated hardware. The B-RAD - Bottle Relocation & Accessory Device is an innovative, flexible system for organizing on-bike bottle storage and accessories