Specialized Airlock Inner Tube
Best puncture resistant solution for daily urban commuters.
This self-sealing component eliminates the frustration of frequent flats by actively coating the interior with a protective, non-separating sealant. It provides a smooth, consistent ride while ensuring that slow leaks and punctures are managed automatically, making it an ideal choice for riders who value reliability and convenience.
$11.99
Who it's for
- Commuters and casual riders seeking protection against common road debris.
- Low-maintenance cyclists who prefer riding over frequent pump sessions.
- Practical riders wanting flat protection without technical mechanical hurdles.
Who should skip it
- Performance-focused roadies or weight-conscious climbers prioritizing speed and agility.
- Riders who want a completely maintenance-free inflation experience.
- Aggressive mountain bikers tackling sharp rocks and high-impact terrain.
Performance breakdown
Puncture resistance
Integrated sealant actively seals debris-related flats before they ruin your ride.
Sealant stability
Non-separating formula prevents uneven pooling for a consistently smooth rolling feel.
Weight penalty
The added sealant creates a noticeable weight increase over standard racing tubes.
Installation ease
Pre-filled design eliminates messy manual sealant injection during the setup process.
Air retention
Effectively combats slow leaks to keep tire pressure consistent between rides.
Ride quality
Heavier construction sacrifices some suppleness for superior long-term reliability.
Key Specs
Diameter
700c
ISO Diameter
622
Valve Type
Presta
Valve Length
40mm
Puncture Protection
Yes
Sealant Pre-filled
Yes
Know before you buy
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Ask Metto anything about the Specialized Airlock Inner Tube before you decide.
