VOLTREX 20×4 Fat Tyre Inner Tube

VOLTREX 20×4 Fat Tyre Inner Tube

Keep your VOLTREX rolling with the spare that actually matters. The VOLTREX 20x4 fat tyre inner tube is a simple but essential replacement item for riders who want peace of mind. Built to suit 20x4 fat tyres and fitted with a Schrader car-style valve, it is easy to inflate with standard bike pumps, servo air lines and most compressors, making it a practical choice to keep at home or carry as a backup.

Whether you are replacing a punctured tube or keeping a spare ready for the next ride, this inner tube is a smart addition to any VOLTREX setup. It is ideal for everyday riding, general maintenance and quick tube swaps when needed. The 20x4 sizing suits fat tyre e-bikes that use this common size, giving you a straightforward replacement option without the guesswork.

Designed for convenience, reliability and easy fitment, the VOLTREX 20x4 inner tube is one of those small essentials that makes a big difference when you need it most. Backed by WA support and ready to help keep you moving.

Fits: 20×4” fat tyres

Valve: Schrader (car valve)

Best for: spare tube, puncture replacement.

Not sure if it’s the right fit for your bike? Message us — WA support is here to help.