E-Bike Accessories & Spare Parts

E-Bike Controllers, Battery Bags and Spare Parts

Find controllers, battery bags and replacement components for compatible electric bikes and conversion systems. Product pages identify the available voltage, current rating, dimensions and option information supplied for each item.

Before ordering

Match voltage, connector, polarity, dimensions, mounting position and controller requirements. A similar appearance does not guarantee electrical or physical compatibility.

Related collections

• E-bike batteries in the UK
• Electric bike conversion kits
• E-bike conversion kit troubleshooting guide
• Conversion-kit compatibility checklist

Frequently asked questions

Can a higher-voltage battery be fitted as an upgrade?

Only where the motor, controller, display, wiring and charger are designed for that voltage. Do not connect incompatible components.

Where are complete conversion kits listed?

Browse the electric bike conversion kits collection.