OFFBONDAGE 45g TPU Bike Inner Tube 700c 32-47 Presta Valve
OFFBONDAGE 45g TPU Bike Inner Tube 700c 32-47 Presta Valve
OFFBONDAGE Ultralight TPU Gravel Bike Inner Tube — 700c 32-47C
Upgrade your ride with the OFFBONDAGE Ultralight TPU Inner Tube — engineered for gravel cyclists and road riders who demand every gram saved and every mile maximized. Weighing in at just 45g, this TPU inner tube slashes rotational weight compared to traditional butyl tubes, delivering a noticeably more responsive and lively cycling experience.
Why Choose a TPU Inner Tube?
TPU (Thermoplastic Polyurethane) is the next generation of inner tube material. It offers superior air retention, outstanding flexibility, and excellent heat resistance — all in a package that rolls up small enough to fit in your jersey pocket. Whether you're tackling long gravel adventures or fast-rolling road routes on 700c wheels, this tube is built to keep you rolling efficiently.
Key Features
- Ultralight at ~45g — dramatically lighter than standard butyl inner tubes
- Material: Premium TPU + Metal Valve — high flexibility and strong heat resistance
- Compatibility: 700c wheels with tyre widths 32–47C (ideal for gravel, cyclocross, and touring)
- Valve Type: Presta (French valve) — available in 45mm and 65mm valve lengths
- Colours: Black / Purple Gold — stylish and easy to identify at a glance
- Excellent air tightness — holds pressure longer between top-ups
- Wear-resistant and durable — built for long service life under varied riding conditions
- Compact & packable — folds down small for easy carry as a spare
Specifications
| Brand | OFFBONDAGE |
| Material | TPU + Metal Valve |
| Valve Type | Presta (French Valve) |
| Valve Length | 45mm / 65mm |
| Tube Size | 700 × 32–47C |
| Weight | ~45g |
| Colours | Black / Purple Gold |
| Country of Origin | Made in Mainland China |
Who Is This For?
This tube is perfect for gravel riders, cyclocross athletes, touring cyclists, and commuters running 700c wheels with wider tyre clearances (32–47mm). It's also an excellent lightweight spare to carry on any long-distance ride — it packs smaller and lighter than any butyl alternative.
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Frequently Asked Questions
Q: What tyre sizes are compatible with this TPU inner tube?
A: The OFFBONDAGE TPU inner tube is designed for 700c wheels with tyre widths between 32C and 47C, making it ideal for gravel bikes, cyclocross bikes, touring bikes, and wider-tyre road setups.
Q: Which valve length should I choose — 45mm or 65mm?
A: Choose 45mm for standard rims with shallow or no rim depth. Choose 65mm if you are running deep-section rims (typically 40mm+ depth) to ensure the valve is accessible for inflation.
Q: How does a TPU inner tube compare to a standard butyl tube?
A: TPU inner tubes are significantly lighter (this one is ~45g vs. 80–120g for butyl), have better air retention, fold up smaller for easy carrying as a spare, and offer excellent heat resistance and flexibility — making them a popular upgrade for performance-focused cyclists.
Q: Is the Presta valve compatible with standard pumps and track pumps?
A: Yes. Presta valves (French valves) are compatible with any floor pump, track pump, or portable pump fitted with a Presta valve head — the most common type used for road and gravel cycling. Some pumps also include a dual-head adapter for both Presta and Schrader valves.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.