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Going tubeless is one of the best upgrades you can make to any road, gravel or mountain bike. Lower rolling resistance, better grip, self-sealing puncture protection and the ability to run significantly lower pressures all combine to transform the riding experience. Here are the best tubeless conversion kits available in the UK.
Top Picks
Stan’s NoTubes Road Tubeless Kit
Stan’s NoTubes invented modern tubeless sealant and their conversion kits remain the benchmark. The road kit includes two valves, rim tape for two wheels, two bags of sealant and all the tools you need. The rim tape is notoriously reliable at holding an airtight seal and the sealant formula provides excellent puncture protection for UK road conditions.
Orange Seal Tubeless Conversion Kit
Orange Seal has earned an excellent reputation among mountain bikers and gravel riders for its fast-sealing formula. The conversion kit includes endurance-formula sealant that stays active in the tyre longer than many competitors — an important consideration for UK winters where temperatures accelerate sealant drying. Excellent puncture sealing speed and coverage.
Effetto Mariposa Caffelatex Tubeless Kit
Caffelatex is a foam-based tubeless sealant from Italian brand Effetto Mariposa that creates an unusually robust sealing layer inside the tyre. The tubeless conversion kit includes everything you need and the sealant is known for sealing larger cuts than liquid-only alternatives. A premium choice for riders who tackle rough roads or technical trails.
Muc-Off Tubeless Puncture Plugs
While not a full conversion kit, the Muc-Off puncture plug system is an essential companion to any tubeless setup. When sealant alone fails to seal a larger cut, these mushroom-shaped plugs seal the wound from inside the tyre without requiring tyre removal. A small but genuinely important tool that has saved many a ride.
Gorilla Tape Rim Tape for Tubeless
Many mechanics use Gorilla Tape as a cost-effective rim tape solution for tubeless conversions. Applied carefully in two overlapping layers it creates an airtight seal on most rims at a fraction of the cost of purpose-made rim tape. An excellent option for budget-conscious conversions, particularly for mountain bike wheels with wider rim beds.
Buying Guide
Check that your rims are tubeless-ready before attempting a conversion. Rims without a hooked bead or rated for tubeless use may not seal safely.
Use proper rim tape, not inner tube strips. The correct tape adhesion and thickness is critical for maintaining an airtight seal under riding pressure and impacts.
Sealant volume matters. Road tyres typically need 30 to 60ml per tyre, while 29er mountain bike tyres may need 90 to 120ml. Always err on the generous side.
A good tubeless floor pump or compressor makes seating the initial bead much easier. Many tubeless tyres will not seat with a standard pump — a blast of high volume air is needed.
Plan to top up sealant every three to six months depending on climate and tyre usage. UK cold and wet conditions dry sealant faster than summer conditions.
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Final Thoughts
Tubeless conversion is the single best upgrade most riders can make to their existing wheels. Start with Stan’s if you want the proven system, or go with Orange Seal for superior sealing speed. Either way, you will not want to go back to tubes.