2-Pack 20 Fat Bike Tubes 20 x 4.0/4.50 AV48 Schrader Valve 20 Fat Bicycle Tubes Compatible with 20x4.0 20x4.1 20 x 4.25 20 x 4.30 20 x 4.40 20 x 4.50 Fat Bike Tire Tubes
- Size: 20" X 4.0" bicycle inner tubes.American valve AV48mm.
- 【High Quality】 The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging....
- 【Easy Installation】Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort,....
- 【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....
- 【Comfortable and Safe】After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and....