2/4-Pack Gravel Bike TPU Inner Tube, 46g Ultralight 700 x 32-47C Bicycle Tire 28 inch Metal Presta Valve 45/65mm MTB Tube 29" TPU Road Bike 28" (with a Multi-Functional Tire Pry Bar)

• 【30% Performance Leap & MAX Puncture Protection】Engineered with 4th-gen reinforced TPU material, this ultra-lightweight (46g) bike TPU tube slashes puncture risks by 67% against thorns, gravel, and rough terrain; This 28 inch Gravel & 29 inch MTB bicycle tube compatible with 700 x 32C-47C, 29'' mountain bike
• 【67% Lighter for Effortless Climbing】The Gravel & 29'' MTB tpu inner tube at just 46g (67% lighter than rubber tubes), it reduces total bike weight by ~200g, delivering pro-level agility for hill climbs and sprints; Ultra-low rolling resistance converts pedal power into speed gains (0.1s edge in sprints)
• 【Heat-Resistant & Tear-Proof Construction】Upgraded imported TPU formula resists deformation in high temperatures, while tear-resistant reinforcement ensures stability during sharp turns and hard braking; 700C/MTB29 TPU road/mountain bicycle tire perfect for endurance rides and aggressive terrain
• 【100% Airtight Tech】The bike inner tube features a premium metal valve core and airtight sealing tech for zero leaks; Rigorously tested to eliminate inflation hassles, ensuring long-lasting pressure retention even on multi-day rides
• 【Premium Laser-Engraved Valve Logo】Features a laser-engraved logo on the valve stem for premium aesthetics, with anti-counterfeit security code to ensure authenticity and elevate unboxing appeal

【30% Performance Leap & MAX Puncture Protection】Engineered with 4th-gen reinforced TPU material, this ultra-lightweight (46g) bike TPU tube slashes puncture risks by 67% against thorns, gravel, and rough terrain; This 28 inch Gravel & 29 inch MTB bicycle tube compatible with 700 x 32C-47C, 29'' mountain bike