Tubeless sealant

Gone tubeless? We rate six sealants

- Will Poole

£7.95-£39.99 

01 Vittoria Universal Tubeless Tyre Sealant 500ml

£19.99 

3.5/5

AVAILABLE IN FIVE SIZES FROM 80ml to 1L, the Universal is ammonia and scent-free. It's also latex free so won't result in an allergic reaction. Vittoria claim it will seal holes up to 5mm long and not 'ball' or congeal in the tyre, while it's targeted for use on road, gravel and mountain bike tyres. At 80psi (5.5 bar) the sealant performed well, sealing a thin knife incision 8mm-long having already sealed two separate attacks with a large, sharpened screwdriver. An interesting specification is that the Universal sealant won't freeze above -15°C. I wasn't about to put that to the test, but it's good to know.

02 Juice Lubes Tyre Juice 500ml

£19.99

3.5/5

JUICE LUBES PROVIDE THREE different size containers of their Tyre Juice depending on your needs, including a 5L keg for £100. Suggested volumes for application are quoted for a range of wheel sizes and applications so, regardless of your preferred discipline, you're covered. Juice Lubes claim their Tyre Juice doesn't dry out or 'ball', is ammonia free and has synthetic latex fibres to block larger intrusions. Although the Tyre Juice sealed an impressive 26 intrusions from a pin and four from a 3mm diameter pick, it didn't completely seal the second of two strikes with a sharpened screwdriver (it did seal knife slits up to the claimed 7mm, however).

03 FinishLine FiberLink Tubeless Sealant 960ml