2 Pack Ultralight TPU Mountain Bike Inner Tubes 29" | Compatible with 29'' x1.9-2.5 Tires | Presta Valve 45mm French | High-Pressure Durable Tubing for MTB Bikes (29 Inch Bicycle Tires)

Brand: CYCLAMI

Color: GREEN

Features:

• Universal Fit for 29" MTB/Road Bikes - TPU Mountain Bike Inner Tubes compatible 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
• Ultra-Lightweight Design – 63g/Tube (70% Lighter) - At just 63g per tube (vs. 160g+ butyl rubber), our TPU bike tubes reduce rotational weight by 200g per pair; Enhance acceleration, climbing efficiency, and speed for competitive riders
• Military-Grade 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 = Pro-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
• Lifetime Support & Instant Replacement Guarantee - Includes 12-month warranty + 24/7 expert troubleshooting; Receive a free replacement within 48 hours for any defects – no returns required

Package Dimensions: 6.9 x 4.6 x 2.5 inches