4-Pack CYCLAMI TPU Inner Tubes MTB26'' Inner Tubes for MTB26 inchx1.9-2.5 Ultralight 63g Bike Tube with 45mm Presta Valve for Mountain Bike Tubes (4pcs Mtb26 x1.9-2.5)

4-Pack CYCLAMI TPU Inner Tubes MTB26'' Inner Tubes for MTB26 inchx1.9-2.5 Ultralight 63g Bike Tube with 45mm Presta Valve for Mountain Bike Tubes (4pcs Mtb26 x1.9-2.5)

• Fits Multiple Tire Sizes: The MTB Mountain ultra-lightweight inner tube fits various tire dimensions, compatible with many tire sizes MTB26 inch x 1.9-2.5.
• Lightweight and Portable: Crafted using advanced thermoplastic polyurethane (TPU) technology, each tube weighs only 63 grams. Ultra-low rolling resistance converts cadence into speed advantage, perfectly balancing durability with lightweight design. Ideal for both competitive racing and daily riding needs.
• Multiple Valve Stem Lengths: TPU inner tubes equipped with a high airtightness 45mm presta valve stem options for precise matching to rim sizes.Featuring premium valve cores and airtight sealing technology to eliminate the risk of air leaks.
• Performance Upgrade: Enhanced imported TPU formula resists high temperatures without deformation, maintaining lightweight while significantly improving puncture resistance. Reinforced tear-resistant layers ensure stability during sharp turns and hard braking. Perfectly suited for endurance rides and complex terrain.
• Inflation Guidelines: Begin inflation at 0.5 PSI to ensure the inner tube conforms tightly to the rim. Never exceed 5 PSI in an empty tire to prevent irreversible expansion damage. Thoroughly clean the rim and inner tire surface before installation to prevent foreign objects from puncturing the TPU inner tube.