extra light butyl tubes
Most pointless thing ever.
#fact
But Jan Heine said they were super cooooool?
They're useful on much bigger tyres TBH, skinny road tyres have less of a marginal gain.
MTB light tube can shave off 60g easily, hence why I used it with the Grand Bois Hetres.
@tyeness started
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Most pointless thing ever.
#fact