REVOLOOP Race Ultra Presta 40 mm Inner Tube: The Ultimate Lightweight Upgrade for Road CyclingRevolutionize your ride and leave the competition behind with the REVOLOOP Race Ultra Presta 40 mm inner tube, the pinnacle of lightweight performance in the world of Inner tubes. Designed for serious Road Cycling enthusiasts and racers who demand every possible advantage, this tube is the lightest in the entire REVOLOOP family, representing a new benchmark in cycling technology. If you are seeking to shed critical grams without sacrificing performance, your search ends here.Developed by passionate cyclists for passionate cyclists, the Race Ultra makes absolutely no compromises. It is an engineering marvel, tipping the scales at a mere 25 grams. This incredible weight saves you approximately 50% compared to conventional butyl inner tubes, a significant reduction where it matters most: rotational mass. This directly translates into faster acceleration, more responsive handling, and easier climbing, allowing you to conquer ascents and power out of corners with newfound efficiency.The secret to its superior performance lies in its unique material properties. The specific material coordination gives this tube its distinctive, latex-like rolling characteristics, which work to significantly minimize rolling resistance. The result is a tangible gain in efficiency, granting you a few watts of extra freedom! that you can feel on every pedal stroke. Experience a smoother, faster ride that allows you to hold your speed with less effort, making it the perfect upgrade for race day or any ride where speed is paramount.Durability and innovation are not an afterthought. The valve system is a testament to forward-thinking design, crafted from a special impact- and break-resistant thermoplastic that is truly ahead of its time. This robust construction ensures reliability under demanding conditions. Furthermore, a specially designed valve foot brilliantly prevents damage to the tube from sharp edges on the valve bore of the rim—a common failure point in other lightweight tubes. This thoughtful detail provides peace of mind, allowing you to push your limits with confidence. The REVOLOOP Race Ultra perfectly combines minimum weight with maximum performance, delivering an unparalleled riding experience. Technical Specifications and Features:* Product: REVOLOOP Race Ultra Inner Tube* Valve Type: Presta* Valve Length: 40 mm* Weight: 25 gramsMain Features:* The lightest bicycle tube in the REVOLOOP.family for the ultimate weight advantage.* Achieves approximately 50% weight savings compared to standard butyl tubes.* Delivers unique, latex-like rolling characteristics for minimized rolling resistance and enhanced speed.* Features an innovative, impact- and break-resistant thermoplastic valve for superior durability.* Engineered with a specially designed valve foot to prevent damage from the rim´s valve bore.* Developed by enthusiasts for enthusiasts, offering uncompromising performance