Dynamic Barkeeper Tubeless Sealant 250ml Bottle

Dynamic Barkeeper Tubeless Sealant delivers lightweight, high-performance puncture protection for road and off-road cyclists. Its advanced synthetic latex formula, reinforced with Hi-Tec fibres, adheres to the tyre and rim for rapid and lasting sealing. Barkeeper remains effective longer than standard sealants, resists balling, and allows easy top-ups without removing old sealant. Suitable for pressures from 1 to 8 bar and temperatures between -20°C and +50°C, it is compatible with CO₂ cartridges and all tyre brands. The ammonia-free, hypoallergenic, skin-safe, and non-corrosive composition ensures safe handling and environmental responsibility.

Key Features

• CO₂ compatible
• Seals punctures up to 7 mm
• Performs up to 8 bar and with all tyre brands
• Does not ball up
• Planet friendly

Technical Specifications

• Sealant type: Synthetic latex with Hi-Tec fibres
• Operating pressure: 1 – 8 bar
• Temperature range: -20°C to +50°C
• CO₂ cartridge compatibility: Yes
• Ammonia free: Yes
• Hypoallergenic: Yes
• Skin safe: Yes
• Non-corrosive: Yes
• Recommended sealant volume per tyre:
  • Road bike: 30 – 45 ml
  • MTB 26": 60 – 75 ml
  • MTB 29": 100 – 140 ml
  • Cross/Gravel: 60 – 75 ml
  • Downhill MTB: 120 – 140 ml