The Zefal Z Sealant is designed to prevent punctures for tubeless tyres. The latex-based-formula obstructs punctures up to 3mm for secure riding.
- Prevents and repairs punctures
- Contains less than 1% amonia: won’t damage your tyres
- Easy to use – Injected into the valve stem or directly into a tubeless tire
- 125 ml bottle
- Suitable for tubeless tyres only – Mountain bikes, gravel bikes, road bikes, etc





















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