PearTune 4.0 Tuning Chip for Bosch Smart System eBikes (excludes rim magnet)

• Works with any ebike fitted with the latest Bosch Smart System excluding eBikes fitted with the rim magnet sensor located on the rear wheel valve. If you're unsure what this is, please contact our team for help before placing an order
• Smart system models are equipped with either an LED remote or System Controller. Some models also have either a Kiox 300 or Intuvia 100 display. If your eBike does not have a display
• If your eBike does not have a display, the Bosch flow smartphone app can be used to act as your display

Here's why riders love this tuning kit

• Fitted to the motor in minutes for a true plug & ride experience
• Simple activation, can be switched off at any time
• Completely derestricts your eBike when active
• Option to set a max speed & permanent tuning mode
• Please note, if your ebike has a display, speed readings are only accurate in kmh using the last two digits on the display

Fast & free shipping to UK, USA, Australia & Canada

All orders are shipped fully tracked from our UK, US and Australian warehouses

Import-free shipping to the USA, Australia & Europe

Free shipping does not apply to EU and EEA countries

In the unlikely event you have trouble with your order, or you just change your mind. We offer easy, 30 day returns. 

Detailed Shipping/Returns info here

Unfortunately no tuning kits are 100% guaranteed. You can reduce the risk of triggering an error code by following these simple steps:

If your eBike uses a smartphone app, switch off automatic updates before installing your tuning kit

Remove your tuning kit before doing any software updates

If possible, remove your battery before starting your installation

Keep your average speed below 50km/h

Existing eBike Warranty:
The use of any tuning products may void the warranty of your eBike. We take no responsibility for any damages resulting from the use of any of our products.

eBike Laws:
Electric bikes equipped with tuning devices are not allowed to be used on public roads, cycling paths and public places. Electric bikes equipped with tuning products can be used exclusively on private property and entirely at one’s own risk. Under the EU's EN15194 regulation it is illegal to ride your eBike on public roads/cycle paths with a tuning device fitted. 

By purchasing a device from eBike tuner ltd you agree that eBike tuner ltd cannot be held liable for any damage, injury, fine or cost to you, your eBike or anyone else involved in your particular incident.