Stan's No Tubes Exo-Core Tubeless Valve Stems
Best premium upgrade for riders seeking clog free tubeless performance.
These valve stems eliminate the frustration of sealant-clogged valves with a clever, high-flow design. They allow for tool-free pressure adjustments and seamless compatibility with tire inserts, making tubeless maintenance significantly faster and more reliable.
$70.00
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Who it's for
- Riders who struggle to seat stubborn tubeless tires at home
- Cyclists tired of cleaning dried sealant out of their valves
- Mountain bikers seeking reliable components for technical and rocky terrain
Who should skip it
- Budget-conscious riders looking for basic functional replacements
- Weight-obsessed racers prioritizing every gram over long-term durability
- Minimalist mechanics who prefer using standard universal tools for repairs
Performance breakdown
Sealant Flow Efficiency
Oversized bore design virtually eliminates the frustration of sealant-clogged valves.
Insert Compatibility
Base vent holes ensure consistent airflow even when using tire inserts.
Pressure Tuning
Tool-free micro-adjustments make dialing in tire pressure quick and intuitive.
Sealing Reliability
Tapered rubber stopper creates a secure, airtight fit on diverse rims.
Build Durability
Corrosion-resistant aluminum construction withstands harsh conditions and repeated sealant exposure.
Installation Ease
Straightforward design simplifies the initial tubeless setup process for most riders.
Key Specs
Compatibility
Presta Valve
Material
Aluminum
Stem Length
53 mm
Valve Core
Removable
Color
Black
Tubeless Compatible
Yes
Quantity Per Pack
2
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