





Problem & Solution
Traditional butyl rubber inner tubes are heavy, bulky, and take up excessive space in saddle bags or jersey pockets. For road and gravel cyclists, carrying multiple spare rubber tubes adds unnecessary rotating weight and bulk, making roadside tire repairs cumbersome.
Who Is It For?
Designed for road cyclists, gravel riders, and endurance endurance enthusiasts who want to reduce rotating wheel mass or carry extremely compact spare tubes in their gear kits. It is ideal for riders using 700C wheel setups with tire widths between 18mm and 32mm.
Key Features
- Thermoplastic Polyurethane (TPU) MaterialOffers a significantly reduced packed volume and lower weight compared to standard butyl rubber inner tubes
- 700C Size Compatibility (18mm to 32mm)Versatile fitment suitable for narrow road racing tires as well as wider endurance road tires
- 45mm and 65mm French (Presta) Valve OptionsAllows compatibility with standard rim depths as well as deeper aerodynamic wheelsets
- Tyre Repair Tools IncludedProvides roadside convenience for managing tire changes and tube maintenance during rides
Technical Specifications
| Brand | CYCLAMI |
| Material | TPU (Thermoplastic Polyurethane) |
| Wheel Diameter Compatibility | 700C |
| Tire Width Compatibility | 18mm to 32mm (18-32C) |
| Valve Type | French Valve (Presta) |
| Valve Length Options | 45 mm / 65 mm |
| Included Accessories | Tyre Repair Tools |
| Product Weight | not specified |
Pros & Cons
Pros
- Extremely compact packed size makes it easy to store in jersey pockets or small saddle bags
- Covers a wide tire width range from 18c up to 32c on 700C wheel systems
- Available in two distinct valve lengths (45mm and 65mm) to match different rim profile depths
Cons
- TPU material requires specific TPU-compatible repair patches rather than standard vulcanizing rubber patches
- Requires careful installation to avoid pinching or damaging the thin TPU material against the rim tape
- Exact weight in grams is not specified in available product details
FAQ
It is designed for 700C wheels and supports tire width ranges from 18mm to 32mm (18-32C).
This inner tube features a French (Presta) valve, available in either 45mm or 65mm stem lengths.
No, TPU (Thermoplastic Polyurethane) inner tubes require specialized TPU repair patches or glue-less TPU patches rather than standard rubber vulcanizing cement.
While the product description mentions MTB context, the specified dimensions (700C width 18-32mm) are optimized primary for road, cross, and narrow gravel tire setups.
Final Verdict
Recommended for cyclists looking to drop bulk from their repair kits or reduce rotating weight on 700C road setups. Skip if you require tubes for wide mountain bike tires above 32mm or prefer traditional heavy-duty butyl rubber tubes. Ensure you select the correct valve length (45mm vs 65mm) for your rim depth.