TPU Inner Tubes For BMX Folding Bikes 20 Inch 406 With 45mm Or 65mm Valve
Keep your 20-inch BMX or folding bike rolling smoothly with this lightweight GUSTAVO TPU inner tube. Designed specifically for 406 rims, it pairs perfectly with tire widths between 0.9 and 2.5 inches. The durable thermoplastic polyurethane construction absorbs road vibration better than standard rubber tubes, giving you a more comfortable ride on pavement or track surfaces. You get reliable puncture protection without adding unwanted weight to your build. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Trusted cycling components at intercyprus.com since 2002, verified by thousands of satisfied riders who value consistent stock levels.
Benefits & Tips
Mount it quickly with either valve length to match your rim design. The included Presta option spans 45mm and 65mm, covering most modern fork dropouts. A brass Schrader adapter handles busy pump stations when you need a fast refill. Turn the valve inward before pressing air into the system. Inflate gently by hand until the casing rounds out beneath half a bar of pressure. This protects the fresh TPU lining from uneven stretching during installation.
Product Specifications
- Composition: Thermoplastic polyurethane for superior tear resistance.
- Wheel Diameter: 20-inch 406 standard.
- Compatible Widths: 20x0.9-1.5 inch or 20x1.75-2.5 inch.
- Valve Style: French Presta.
- Pump Adapter: Brass converter for standard gas nozzles.
- Max Load: Rated safely up to 5 bar (72 PSI).
- Dry Weight: Roughly 22 grams for light setups, 45 grams for heavy frames.
Warnings & Reminders
Never fill an unattached tube, since sudden expansion creates permanent structural damage. Monitor outdoor heat levels carefully, because rising air temperature pushes internal gauge readings upward by roughly one percent per three degrees. Keep spare rubber coiled away from hot car trunks to stop valve stems from softening. Stick to a controlled manual floor pump for precise pressure management.
Package includes: One factory-sealed GUSTAVO replacement tube sized for your chosen tire range, paired with a compact valve connector for immediate pump use.
Tuck this lightweight repair kit into your saddle bag or jersey pocket for instant lane-side confidence. Swap the flat section out in minutes and return to enjoying smooth backroads or local track sessions without delay.