2-PCS 26 x 4.0 Regular/Heavy Duty E-Bike Tubes Schrader Valve 26x4.0 AV32MM 26x4 Fat Bicycle Tubes Compatible with 26X4 Electric Bike/MTB Bicycle Fat Tire Tubes

Please check carefully for the details and size before purchase

• Size: 32mm AV (Regular valves). Fits all 26" x 3.5/4.0" tire tubes. compatible with Road bike /Mountain bike Tire ( ETRTO : 89-102/559 ) bicycle tire tubes.
• High Quality: The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation.
• Easy Installation: Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort, replace the old tube in a few minutes.
• Important Note: When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides.
• Comfortable and Safe: After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe.
• Installation Precautions: Please check the side of your tire for the tire size your bike uses
• Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.