Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back

Direct mount rings designed for SRAM cranks with removable spiders

10-speed cassette sprocket: 11-46T

Rubber coated adjusting knob for firm grip

VITTORIA Air-Liner Light Tubeless Insert - XC Trail - 29 x 2.1-2.4" clothing Air Support Back Panel: DesignedThe Air Liner Light is an ultra fast and light weight tire insert intended for the performance rider or anyone looking to improve the reliability and performance attributes of their ride. The Air liner Light lives by its namesake coming in at a scant 55g each and will go unnoticed to even the most finicky XC racer, with no loss in the benefits of using a liner Improved grip at lower pressure with greater tire stability Lowered risk of tire burping and