Additional mounting kit for the Acerbis Vertical T Auxiliary Fuel Tank (sold separately). For use with the Vertical T Auxiliary Fuel Tank when you need to move it from bike to bike with ease. Sold as a kit. Dimensions and Applications: Collar suitable for tubular frames 50 mm diameter (2") adaptable via a rubber strip up to 38 mm diameter (1.5"). Distance between vehicle tube and tank: 10 mm.