Tubeless Sealant HP 500ml | Grezzy+

Developed with an advanced formula of synthetic latex and latest-technology polymers, this sealant offers fast, effective, and durable sealing even in extreme conditions. Its improved composition optimises performance and sealing.

Suitable for high pressures (up to 6 bar / 87 psi) or low pressures where extra protection, efficiency, or competition use is sought. Minimum pressure loss at the moment of puncture. Compatible with mousse systems and CO₂ cartridges. Ammonia-free formula, safe for the tyre and rim. Compatible with MTB, Road, Gravel, e-Bike, Fat-Bike, tubulars, inner tubes, and scooters.

Developed through over a year of laboratory testing and intensive tests with riders and mechanics to deliver two specific formulas — Low Pressure / High Pressure — covering all current tyre and pressure combinations, from recreational cycling to the highest level of competition.

Key Features

• Max pressure: up to 6 bar / 87 psi
• Minimum pressure loss at puncture
• Compatible with mousse systems and CO₂ cartridges
• Ammonia-free, tyre and rim safe
• Compatible with MTB, Road, Gravel, e-Bike, Fat-Bike, tubulars, inner tubes, and scooters

How to Use

1. Shake well before use to ensure all components are well mixed.
2. Inject the sealant into the tyre interior with a measuring cup, syringe, valve tube without core, or any appropriate method.
3. Inflate until you hear the characteristic "pop" indicating the tyre has seated correctly, then adjust to desired pressure.