The new Vittoria Air-Liner Light XC tire inserts weigh just 50g but provide heavy-duty protection, even letting you finish a race with a flat tire!
At just 50g, the Vittoria Air-Liner Light is the lightest tire insert on the market, but that’s far from the most interesting feature. The design acts like a closed cell foam so it won’t absorb sealant, but it will expand when you puncture your tire, allowing it to fill the space and keep you riding.
This doesn’t really change the tire pressure that you inflate it to, but they recommend setting up your tires and dialing in your tire pressure the day before an important ride. Day-of top-ups are fine, assuming your tire didn’t leak all its air out overnight. The insert also does the other things a mountain bike tire insert should do. It supports your tire during hard cornering…It has a tough waterproof coating that keeps it from absorbing moisture and sealant and protects it from scratches. Vittoria recommends latex- and ammonia-free sealants . It’s not the end of the world if you don’t use those, but they may slightly shorten the insert’s lifespan.Each insert runs $59.99 and fits rims with a 25-30mm internal channel.
But at just 17-17.5psi, the bike rode incredibly well, with no squirm, no impacts, and no squishiness. And it wasn’t for a lack of trying:
Danmark Seneste Nyt, Danmark Overskrifter
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