Stan's NoTubes Original Tubeless Sealant 250ml Puncture Protection

Stan's NoTubes Original: the sealant that started the tubeless revolution

The Stan's NoTubes Original Tubeless Sealant 250ml is one of the most widely used tubeless sealants in the cycling world. Trusted by professional and recreational riders alike, it delivers reliable puncture protection and long-lasting performance.

The low-viscosity formula quickly reaches punctures and creates a durable seal, helping riders stay on the bike instead of stopping for repairs.

Reliable puncture protection

• Seals punctures up to 6.5 mm
• Fast sealing action while riding
• Protection against thorns, glass and debris
• Reduces unexpected stops
• Suitable for racing and everyday riding

Long-lasting performance

• Remains liquid for 2 to 7 months
• Less frequent maintenance
• Reliable in varying weather conditions
• Freeze-resistant formula
• Consistent protection over time

Compatible with MTB, gravel and road bikes

• Mountain bikes
• Gravel bikes
• Road tubeless tires
• Tubeless-ready systems
• Tubeless conversions

Easy installation

• Simple and fast application
• Compatible with removable-core valves
• Ideal for periodic top-ups
• Low-viscosity formula
• Minimal maintenance required

Technical Specifications

• Brand: Stan's NoTubes
• Model: Original Tubeless Sealant
• Volume: 250 ml
• Type: Tubeless tire sealant
• Puncture sealing: up to 6.5 mm
• Sealant life: 2-7 months
• Compatibility: MTB, Gravel, Road
• Operating temperature: down to approximately -28°C
• Application: direct or through removable-core valves
• Manufacturer code: ST0155