
SpeedBox 1.3 for Shimano (EP8)
- Enables you to suppress the speed limiter
- Two variants; E-Tube Port or Standard
- Newly redesigned tuning chip
Remove the speed limiter on your Shimano-powered e-bike with the SpeedBox 1.3. This tuning chip connects via the E-Tube port and allows real-time speed display up to 23 km/h. Enjoy unrestricted riding with easy activation through your bike’s lights.
Key Features and Benefits:
- Advanced speed tuning: Removes the factory speed limiter on your Shimano EP8 motor. Ride at higher speeds without performance restrictions.
- Real-time speed display: Shows actual speed up to 23 km/h on your e-bike’s display. Ensures accurate readings while riding.
- Standard E-Tube port connection: Directly connects to the motor’s E-Tube port. Enables seamless installation and secure data transmission.
- Easy activation: Turn your bike’s lights on and off to enable or disable the tuning. Provides a simple, intuitive way to control speed settings.
- Compatible with multiple models: Works with Shimano EP8, EP8 RS, and Giant Revolt (up to 35 km/h). Ensures versatility across different e-bike setups.
- Optional +E-Tube port variant: Designed for e-bikes with no free E-Tube port. Supports models with electronic gear shifting or integrated ON/OFF switches.
For riders who want unrestricted speed, the SpeedBox 1.3 delivers. It works seamlessly with Shimano motors, ensuring a smooth, controlled experience. With real-time speed data and simple activation, you maintain full command over your e-bike’s performance.
Upgrade your e-bike today with SpeedBox 1.3 and enjoy the full potential of your ride.
Please Note: The "+ E-Tube port" variant is intended for e-bikes without a free E-Tube port - usually e-bikes with one of these components:
- Satellite System ON/OFF Switch
- Di2 (electronic gear shifting system)
Properties:
- Maximum speed: unlimited
- Activation/deactivation: by turning off/ on the lights
- Display shows: real values up to 23 km/h
Compatible with:
- motors EP8
- motors EP8 RS
- Giant Revolt (up to 35 km/h)
Not compatible with:
- Shimano EP801
- SpeedBox App
Option | +E-Tube Port, Standard |
Brand | SpeedBox |
MPN | SB13-S-1, SB13-S/ETP |
Our Payment Options





Online we currently accept payment from the methods listed above including a wide range of finance options. In store we also accept payment in the form of cash and gift vouchers.
Finance Options
In order to get the kit you want, when you need it, without ruining the family finances we offer a highly flexible range of finance options to help you get the best products on your bike now rather than at the end of the season when you've saved up the cash to make the purchase. There are even interest free options which effectively spread the cost without costing you any extra.
D.T.(Automotives) Limited T/A Tweeks Cycles is authorised and regulated by the Financial Conduct Authority and is the broker and not the lender. Our FCA registration number is 689896. D.T.(Automotives) Limited offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance and Klarna. Credit is provided subject to affordability, age and status. Minimum spend applies. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority.
For international shipping please visit our delivery page.
For information about returning an item please visit our returns page.



