Vittoria Air-Liner Light Tubeless Insert - Gravel 650b x 42-50 MFPN=20437 Great for dry dirty and

Great for dry dirty and dusty environments

Pinch Protection technology which absorbs the energy from pinch flats

Stealth-a-majig connector for easy setup

Traction – Factory tuned compression provides a stable pedaling platform and maintains grip at the wheel

Vittoria Air-Liner Light Tubeless Insert - Gravel 650b x 42-50 MFPN=20437 Great for dry dirty andVittoria 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