Description
Hashtag TPU inner tubes
After realizing the potential of TPU plastic tubes, but also their obvious drawbacks (lower puncture resistance, lack of feel and stability on uneven terrain, spontaneous bursting in high heat and poor valve quality), we decided to develop our own model.
After many months of testing, we arrived at a product that seems ideal for optimizing performance.
- Exceptional rebound and efficiency (our feedback from the field highlights this advantage as a key factor of this product, even before puncture resistance or weight savings).
- Low weight at an unbeatable price (-194 g for 26″ and -94 g for 20″ per pair compared to standard tubes). For comparison, carbon offers an average weight saving of 1 g per €1, while our tubes offer around 5 g per €1.
- 3x stronger than competitive TPU tubes: significantly more puncture resistant than standard rubber models (and unmatched by competitive TPUs).
- Much more progressive deformation on slopes and edges than conventional TPUs.
- Schrader valve anchored to a wide band to prevent tearing. Precision high-flow valve core. Less pressure loss than conventional TPUs and rubbers.
Weight comparison
- 20″: Standard rubber 136g / Competitive TPU 38g / Hashtagg TPU 89g
- 26″: Standard rubber 216g / Competitive TPU 48g / Hashtagg TPU 119g
20″ designed to fit 19″ and 20″ tires with a width of 1.8 to 2.6.
26“ designed to fit 26“ tires with a cross-section of 1.8 to 2.6.




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