Bontrager Super Juice£9.99

The best glycol sealant

BikeRadar score3.5/5

This glycol-based product doesn't have the potential allergy effects of latex. Using the built-in presta valve applicator it entered the tyre easily (valve method). It's OK for cold weather use too and, with a full Bonty set-up, as little as 30ml is needed.

 This was the runniest of the glycol sealants but there was slight wheel wobble, and it needs topping up nearly as regularly as latex - every 2-3 months. The fine suspended particles didn't seal bigger holes (2-3mm). It's optimised for light UST or tubeless-ready set-ups.

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