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Old 28 October 2007, 06:18 AM
Troberg Troberg is offline
Join Date: 04 November 2005
Location: Borlänge, Sweden
Posts: 11,580

Nitrogen is better-suited to use in tires than compressed air in part because its larger molecules don't seep or "migrate" through the tire's rubber skin as quickly.
Yep, and practically all of the leakage happens between the rim and the tire when hitting potholes or curbs.

The only reason I could possible think of is that nitrogen would slow down the aging of the rubber, but even that is far fetched, as I've yet to throw out a tire because it gets old on the inside first...

Just a clever marketing scam, imho.
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