Kenda Motorcycle Tire Tubes are engineered to deliver dependable performance wherever the road—or trail takes you. Built with precision molded rubber compounds and strict quality control, Kenda tubes are designed to provide consistent air retention, durability, and a confident ride for a wide range of riding conditions. Kenda offers a wide range of inner tube sizes, thicknesses and valve stem configurations for your motorcycle. Available in three styles, which are: Standard, Tuff, and Super Tuff. Standard tube thickness is 2.3-2.4mm. Tuff tube thickness is 3.6-3.7mm. Super Tuff tube thickness is 3.6-3.7mm. Tuff and Super Tuff tubes are specifically designed for Motocross/Off-Road use.