![Inner Tubes - Alter Ego Bikes](http://alteregobikes.com/cdn/shop/products/inner-tubes-421026_{width}x.jpg?v=1679328668)
Need a replacement inner tube for your Alter Ego Bike? We only stock the sizes for the bikes that we sell.
Our most common sizes are:
- 16" x 2.125"
- 20" x 4"
- 20" x 2.4"
- 24" x 3"
- 26 x 4"
- 26" x 2.4"
- 27.5" x 2.4"
Need a replacement inner tube for your Alter Ego Bike? We only stock the sizes for the bikes that we sell.
Our most common sizes are: