1. Join the bonus program:
Create your customer account in just a few steps and you will automatically become part of the bonus program. Stay logged into your customer account during the ordering process to collect points.
2. Collect points: Earn points with every purchase and through exclusive promotions. You automatically receive 1 point for every euro spent.
3. Redeem points:
Exchange your collected points for attractive discounts and rewards – directly on your next purchase!

Bosch retrofit kit Purion 400
- Fast delivery: The shipping process begins immediately after payment is received to minimize waiting times.
- Reliable shipping partner : Collaboration with GO! Logistics for safe and fast delivery.
- Complete pre-assembly : Your bike will be delivered 95% pre-assembled. Only simple tools are required to put the finishing touches on the bike.
📦 Fast & reliable delivery: As soon as we receive your order, we will do everything in our power to get your small parts and accessories on their way as quickly as possible.
⭐ Expertise that convinces: The trust and satisfaction of over 125,000+ customers reinforce our competence in advising on and selecting bicycle equipment.
SHIPPING COSTS OVERVIEW
Germany
Click & Collect in the store | 0.00 € |
small parts (DHL standard package) | 4.95 € (free from 99 €) |
bicycles (freight forwarding) | 49.90 € (FREE) |
Bicycle Express Shipping (Freight Forwarding) | 99.00 € |
Cargo bicycles (freight forwarding) | 199.00 € |
Austria
small parts (DHL, DPD) | 7.90 € |
Bicycles (Freight forwarding) | 59.90 € |
Switzerland
Bicycles (Freight forwarding) | 199.90 € |
other EU countries
small parts (DHL, DPD) | from 7.90 € |
Bicycles (Freight forwarding) | from 49.90 € to 229.90 € |
Maximum flexibility : Enjoy the freedom to test products for 30 days and return them without any problem if you don't like them or don't fit.
more information about the return policy
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Size Chart
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Find Your Perfect Size

UPGRADES & MATCHING ACCESSORIES
Bosch retrofit kit Purion 400
The Bosch Purion 400 retrofit kit offers a user-friendly and compact solution for e-bike riders who want to upgrade their system. With a clear and intuitive design, the Purion display combines all the important functions of a modern e-bike on-board computer. It allows you to keep an eye on all essential information such as speed, battery level and support levels while riding.
Product features:
- Display type: Bosch Purion, compact design for easy operation
- Size: 35.00 mm, perfect for handlebar integration on 35mm handlebars
- Compatibility: Suitable for e-bikes with Bosch drive systems
- Model number: EB1390001K
- Functions: Display of speed, range, battery level and support modes
- Operation: Simple control via ergonomically arranged buttons that are easy to operate even while driving
- Retrofit kit: Ideal for easy retrofitting of older e-bikes or for replacing defective displays
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