50g, Easy Install, Keeping the Tires on at 0 PSI - Vittoria Air Liner Light MTB Inserts
Vittoria Air Liner Light Inserts Made from non-absorbent materials Focused on XC and trail applications Designed to keep tires on the rim when ridden flat Fits 25mm to 30mm wide rims Compatible with 29" x 2.1" up to 29" x 2.4" wide tires Multi-way tubeless valves included with inserts Warranty against manufacturer defects 50g per insert MSRP ...