2 PCS Heavy Duty Bike Tubes 700x38C 700x40C 700x43C 700x45C 38C/40C/42C/43C/45C Schrader Valve 35mm/48mm Bicycle Tubes Premium Quality Butyl Inner

2 PCS Heavy Duty Bike Tubes 700x38C 700x40C 700x43C 700x45C 38C/40C/42C/43C/45C Schrader Valve 35mm/48mm Bicycle Tubes Premium Quality Butyl Inner

TUBES SIZE:2x schrader valve inner tubes which is suitable for most road bike/gravel bike/mountain bikes 38mm-45mm tire, compatible with 700c/29/27.5 bicycle wheel tire. The bicycle inner tube is made of high quality butyl rubber. This premium rubber is 8 times more airtight than natural rubber and is not prone to rupture due to temperature changes. Compatible sizes: 700x38c / 700x40c / 700x42c / 700x43c / 700x45c / 29x1.5 / 29x1.75 / 27.5x1.5 / 27.5x1.75 Schrader Valve 35mm/48mm. HIGHER QUALITY: The pipe wall thickness is 1.1mm, which is 15% thicker than other brands. Higher air tightness and can withstand higher pressure. Capable of high-strength impact. Air leakage test:Each inner tube was subjected to a 24-hour leak test. At the same time, it has the advantages of good sealing performance, anti-aging, shock absorption and so on. The butyl rubber replacement tube absorbs the shock on the bumpy road, making the riding more comfortable and safe. MATERIAL: Made with outstanding butyl rubber,Perfect airtight.Butyl rubber has higher air tightness than natural rubber and is the most suitable material for manufacturing inner tubes. EASY TO USE: Our bicycle inner tubes fit 700/29"/27.5 "wheels (please confirm that your bicycle tires are suitable before purchasing). The standard 35mm schrade valve is suitable for moststandard rims. Installation is quick and easy. When pumping up your tires, follow the inflation guide. Replacing an old tire inner tube in a matter of minutes saves time and is efficient. PERFECT AFTER SALES SERVICE: Package include: 2 x bike inner tubes.The most important thing for us is your satisfaction.If you have any not satisfied, welcome to consult.If the product is damaged, Please contact us to provide you with a new.Promise not to be satisfied can return. Compatible with models: 700 x 35c (37-622) (28 x 1.40) 700 x 38c (40-622) (28 x 1.50) 700 x 40c (42-622) (28 x 1.60) 700 x 42c (44-622) (28 x 1.65) 700 x 43c (45-622) (28 x 1.70) 700 x 44c (46-622) (28 x 1.72) 700 x 45c (47-622) (28 x 1.75) 700 x 38B (40-635) (28 x 1-1/2) 27 x 1 3/8（37-630） 27 x 1-1/2 (40-630) 27.5 x 1.5 27.5 x 1.75 29 x 1.5 29 x 1.75 Schrader Valve 35mm 48mm.