Schwalbe SV21F Inner Tube
Best reliable replacement for consistent performance on various rides.
For those tired of the mess and maintenance of tubeless setups, these butyl tubes offer a refreshingly simple, reliable alternative. You sacrifice the self-healing benefits of liquid sealant, but you gain a consistent, field-serviceable ride that holds air beautifully and installs without a single drop of sticky fluid.
$9.00
Who it's for
- Cyclists seeking reliable flat prevention for daily commutes or long rides.
- Performance-oriented riders and racers aiming to minimize bike weight.
- Riders who value consistent tire pressure and less frequent maintenance.
Who should skip it
- Budget-conscious cyclists looking for the most economical replacement options.
- Riders with deep-section wheels needing longer valve stems for proper inflation.
- Enthusiasts prioritizing ultra-lightweight setups or easy field repairs.
Performance breakdown
Air Retention
High-quality butyl rubber compound keeps pressure consistent over long rides.
Maintenance Ease
Removable valve core simplifies adding sealant or using valve extensions.
Durability
Robust construction resists punctures better than ultra-lightweight racing alternatives.
Installation Simplicity
Consistent wall thickness ensures a smooth, frustration-free fit inside the tire.
Compatibility Range
Versatile sizing accommodates a wide variety of modern 27.5-inch tire widths.
Weight Efficiency
Reliable construction adds slightly more rotating mass than tubeless setups.
Key Specs
Valve Length
40 mm
Material
Butyl rubber
Weight
200 grams
Intended Use
650B/27.5 inch tires
Valve Core Removable
Yes
Presta Valve Threading
Yes
Sealant Pre-filled
No
Pack Quantity
1
Valve Stem Material
Nickel plated
Rim Type Compatibility
Clincher
Know before you buy
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Ask Metto anything about the Schwalbe SV21F Inner Tube before you decide.
