GÜP CO2 SEALANT
RATINGS
VALUE 7
FUNCTION 8
LOOKS 8
OVERALL 7.5
of the internet a couple of months ago for a puncture-fixing solution, I happened upon this new product that was, happily, just about to be released locally. Called GÜP (pronounced Goop) and developed in the US, the premise is a simple one; a 125ml can of pressurised CO2 is mixed with an ammonia-free latex sealant, while a bespoke rubber cap is added to aid
