OKO Puncture Free Bike

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An all-purpose tube puncture preventer
Great e-bike anti-puncture solution
 Seals holes in tubes up to 4 mm
Works on multiple punctures
Lasts the life of the tyre
Suitable for commuter, folding, urban, touring bikes – and any bike rental scheme (5 litre, and 25 litre, workshop sizes)!

• APPROVED BY TUBOLITO for protection in their lightweight, durable synthetic TPU tubes – the only preventative tyre sealant to pass their tests and be recommended! 

  • overview
  • Benefits
  • Characteristics

OKO Puncture Free Bike is a water-based liquid that is able to work on both tubed and full UST tubeless tyres.

It gives peace of mind and lasting security for the tyre’s life, with a dose of 60-100ml per tyre in mainstream bikes, depending on size.

An all-purpose product for commuting, touring (and perfect for peace of mind on your e-bike).

(For ‘tubeless ready’ tyres, use a rim strip plus OKO Magic Milk™: you may see other water-based sealants claiming to be ‘tubeless’ but they will not seal porous sidewalls, and unless you have a perfect bead/rim seal they are not the answer…)


Not latex-based
Lasts the life of the tyre
Combats larger punctures: contains aramid fibres
Seals multiple holes
Contains corrosion inhibitors
Non Hazardous


Non Corrosive: Non Flammable: Non Hazardous (not excluded from air shipments unlike some ammonia-containing products). Washes out of the tyre if required.

NO ADVERSE AFFECT UPON TYRES OR RIMS (contains anti-corrosion agents).

WORKS WITH INNER TUBES and FULL UST TUBELESS WHEELS/TYRES, with Schrader or removable-type Presta valves.

(For serious MTB use, we recommend NEW OKO X-Treme Dirt Bike)





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