Tubeless and sealant

Muc-Off No Puncture Hassle MTB sealant 500 ml

Tubeless and sealant

Muc-Off No Puncture Hassle MTB sealant 500 ml

Muc-Off No Puncture Hassle MTB is a tubeless sealant in a 500 ml pack.

What you get

  • 500 ml
  • For tubeless MTB
  • Muc-Off brand

Why ride tubeless?

Without an inner tube there is no pinch flat, a common cause of punctures. Sealant fills small holes up to roughly 3 to 6 mm, often without you noticing. You are far less likely to have to stop during a ride.

Tubeless allows lower pressures. With no tube, nothing gets pinched on an impact, so you can ride the tyre softer. That brings more grip, more comfort and often lower rolling resistance on rough surfaces. On gravel and MTB it is now the standard.

There are downsides. Fitting is messier and takes patience, sealant must be topped up every few months and a big cut will not seal. You need a tubeless-ready rim and tyre, tape and valves. For a large leak you carry a plug kit or a spare tube.

Tubeless suits people who ride regularly, take on the maintenance and want the benefits. If you ride rarely, a tube is simpler.

Tubeless or inner tube

The two ways to run a clincher tyre.

SystemPuncturesPressureMaintenanceFitting
Inner tubePinch flats possibleHigher, to avoid pinchingLittle. Pressure onlyQuick and clean
Tubeless with sealantSmall holes often sealLower possible, more gripSealant every 2 to 6 monthsMessier and more precise
Tubeless tyre without sealantNo puncture protectionAs with sealantHigher leak riskNot recommended

Always use a tubeless-ready rim and tyre of the same standard.

Choose it if

  • You run several MTB tyres or swap often.
  • You run tubeless with big tyre volumes.
  • You ride gravel or MTB and want to use lower pressures.
  • You want fewer punctures and more uninterrupted riding.

Choose something else if

  • For one set of narrow road tyres a smaller bottle is enough.
  • You ride little and want a setup that needs no upkeep.
  • Your rims are not tubeless-ready.

How to set up tyres tubeless

  1. Apply the tape

    Clean the rim and apply tubeless tape over the valve hole. Use two layers and press it down well, with no air bubbles beneath.

  2. Fit the valve

    Pierce the tape, push the tubeless valve through and tighten the nut firmly by hand.

  3. Fit the tyre

    Fit one side of the tyre first and keep both beads in the central well of the rim.

  4. Add sealant

    Pour the recommended amount of sealant into the tyre, or inject it through the valve after seating the tyre.

  5. Inflate hard

    Use a compressor or tubeless booster until the beads pop. Spin and shake the wheel to spread the sealant, then set your riding pressure.

Good to know

  • Shake before use.
  • Check the expiry date.
  • Check the sealant after 2 to 6 months. Dried sealant no longer seals a leak.
  • Use valves and tape suited to your rim width.
  • High temperatures make sealant dry out faster.
  • Carry a plug kit or a spare tube for large leaks.

Also available as

The same product line with a different size or version, compared on price per unit.

VersionFromPrice per 100 ml
300 ml€9.49€3.16Best value per 100 ml
MTB, 500 ml You are viewing this one€16.49€3.30
1 litre€36.97€3.70
Road and gravel, 140 ml€8.00€5.71

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