with 29x1.9-2.5" tires and Presta valves (45mm French length), these TPU inner tubes seamlessly adapt to mountain, hybrid, and gravel bikes. Ideal for Schrader-to-Presta conversions
Universal Fit for 29" MTB/Road Bikes - TPU Mountain Bike Inner Tubes with 29x1.9-2.5" tires and Presta valves (45mm French length), these TPU inner tubes seamlessly adapt to mountain bikes; It's the perfect choice for various biking needs; Note: Inflate less than 5psi before putting in the inner tube
Ultra-Lightweight Design – 63g/Tube (70% Lighter) - At just 63g per tube (vs. 160g+ butyl ), our TPU bike tubes reduce rotational weight by 200g per pair; Enhance acceleration, climbing efficiency, and speed for competitive riders
Military-Durability & Puncture Resistance - Engineered with 0.3mm reinforced TPU walls, lab-tested to withstand 3x more pressure (up to 150 PSI) and 5x sharper impacts than standard tubes; Oil/water-resistant for all-weather reliability
Low Rolling Resistance = -Level Speed - Thinner profile (0.3mm vs. 0.8mm butyl) minimizes tire friction, proven to boost speed by 1.5-2.2% in lab tests; Perfect for racers and endurance cyclists seeking marginal gains
& Instant - Includes 12-month + 24/7 expert troubleshooting; Receive a within 48 hours for any defects – no returns required