Features
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Size: 700 × 38/45 C (ETRTO 38/45-622) – fits a range of tire widths from 38 mm to 45 mm
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Material: 100% butyl rubber for superior air retention and puncture resistance
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Wall Thickness: Lightweight yet durable at 0.90 mm
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Valve: 48 mm Presta (Schrader available in some listings) valve for compatibility with most road and trekking wheels
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Weather Performance: Designed to resist both overheating and freezing, maintaining consistency in varied climates
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Weight: Approximately 146 g — balances durability with lightweight performance
Who It’s For
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Everyday Road & Hybrid Riders: Seeking dependable tubes for commuting or casual rides.
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Gravel and Touring Cyclists: Need robust, weather-resistant tubes for long-range and multi-surface adventures.
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Budget-Savvy Riders: Looking for high performance at an accessible price point.
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Workshop & Retail Environments: A solid, universal option to have in stock for frequent replacements.


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