Slime review

Puncture protection, as long as you don't put a hole in the sidewall

Our rating

3

5.99

Slime

Guy Kesteven

Published: January 15, 2008 at 12:00 am

Our review

OK if you’re allergic to latex, but beware the wobble at speed!

A green 'suspended fibre' glycolbased non-toxic product, that comes with a schraeder valve core remover. Lasts for up to two years between top-ups. It sealed bigger holes better than other glycol products.

The thickest of the sealants we've tested, it has the most pronounced unbalanced wheel effect. It doesn't claim to seal sidewall and beads (like Latex based sealants do) and it doesn't. It also recommended using the largest amount of product (120ml) per tyre.

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Guy Kesteven is one of the world's most experienced bike testers. Having started out working in bike shops, Guy moved into journalism in 1996 and has since written for some of the most respected bike publications out there, including BikeRadar, Cyclingnews and Bike Perfect, while also running his own YouTube channel GuyKesTV. Yorkshire-born Guy is a mountain biker through-and-through, and after more than 25 years as a bike tester, knows what separates the wheat from the chaff. Still, Guy is more than comfortable on drop handlebars, too, not least with the rise of gravel riding. Guy is 180cm tall.