Vittoria Air-Liner Light Tubeless Insert - Gravel 650b x 42-50 Model=Sendero Tire When combined with the sponge

When combined with the sponge applicator

is used as a coating for other waxes and in mild

Center “scales” are ramped providing a fast rolling leading edge yet sharp effective braking and cornering edges

Lightweight and strong direct mount chainrings feature X-SYNC tooth technology to maximize chain retention

Speed and efficiency inspired by MotoGP technology

Vittoria Air-Liner Light Tubeless Insert - Gravel 650b x 42-50 Model=Sendero Tire When combined with the spongeVittoria Air Liner Light Tubeless Insert Gravel 650b x 42 50. The 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. Improved grip at lower pressure with greater tire stability Lowered risk of tire burping and the upside of run flat make this the leader in performance tire inserts