Schwalbe 20 inch bicycle inner tube with Clik valve - 40mm
This is the same sized inner tube as used on a Brompton G Line, and uses a Clik valve - so uses a different pump head
20 inch inner tube for wider tyres - 1.50 to 2.5 inch
Fits the following standard Brompton G Line tyres:
- Brompton Schwalbe One G-One Speed 20 inch
- Continental Contact urban 20 inch
Weight: 145g
Why choose this inner tube?
Because not all inner tubes are the same.
Schwalbe test all tubes (twice), including inflation for 24 hours to ensure they don't lose air pressure.
Less lost air means less time inflating and more time for you, whether it's riding, in bed before work or at the office.
This inner tube fits ETRTO tyre sizes as shown below:
| ETRTO Size | Imperial size | Notes |
| 40-406 | 20 x 1.50 inches | |
| 47-406 | 20 x 1.75 inches | |
| 50-406 | 20 x 2.00 inches | Brompton Continental Contact Urban size |
| 54-406 | 20 x 2.10 inches | Brompton Schwalbe G-One size |
| 57-406 | 20 x 2.125 inches | |
| 60-406 | 20 x 2.35 inches | |
| 62-406 | 20 x 2.50 inches | |
| 54-428 | 20 x 2.00 inches |
Manufacturers code: SCV7
Manufacturers article number: 10465034
Valve length: 40 mm
Made in Vietnam