Nano tube air retention.

Nano tubes are made from a highly air impermeable, recyclable polymer. This means that while they are super light they are very tough and retain pressure incredibly well.  

For day to day use having great air retention can really improve your overall riding experience.  Data below generated using Conti 5000 28mm tires.

Multiple tubeless setups tested due to variability in sealing on rims.

Start 24 hours 7 days 7 day loss % improvement of TPU
Nano 90 89 85 5
Regular butyl 90 87 80 10 100%
Lightweight butyl 90 86 78 12 140%
Latex 90 82 65 25 400%
Tubeless 1 90 86 80 10 100%
Tubeless 2 90 83 79 11 120%
Tubeless 3 90 80 74 16 220%
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