Replacement tube fits the rear tire for the X-Treme™ XB-500. *Note The rear tube fits only the rear wheel since the valve stem on the rear wheel has a 90 degree angle on it allowing it to give you easy access to fill it with air. The front tube has a straight valve stem.
Replacement tube fits the rear tire for the X-Treme™ XB-500. *Note The rear tube fits only the rear wheel since the valve stem on the rear wheel has a 90 degree angle on it allowing it to give you easy access to fill it with air. The front tube has a straight valve stem.