Unmatched Ride Comfort and Reliability for Your E-Mobility Journey.
Struggling with frequent punctures or unreliable inner tubes? The CST bnb 12 1/2 x 1.75 – 2 1/4 FV 40mm delivers durable performance and perfect fit for your 12-inch wheels. Engineered to eliminate air leaks and withstand urban challenges, it ensures smooth rides and maximum safety every time you hit the road.
Key Features
- Precision fit for multiple tire sizes: 12 1/2 x 1.75 to 2 1/4.
- Reliable 40mm French valve for easy inflation and compatibility.
- High-quality rubber compound for enhanced puncture resistance.
- Lightweight design that doesn’t compromise durability.
- Optimized for urban and e-mobility use to handle daily wear and tear.
Technical Specifications
- Brand: CST.
- Size: 12 1/2 x 1.75 – 2 1/4 inches.
- Valve type: French (Presta) valve, 40mm length.
- Compatible tire sizes: 47-203, 54-203, 62-203.
- Tube type: SV (Schrader Valve compatible inner tube).

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