Installation instruction for Giant:

1. Remove the battery from the electric bike.

2.Loosen the bike chain from the front sprocket.

3.Loosen and remove the 4 screws holding the chain sprocket.

4.Look for the 3 screws behind the chain sprocket, remove them.

5.Loosen and remove the 3 torx screws used for plastic covers.

6.Remove 3 torx screws on opposite side of ebike.

7. Loosen 4 screws holding battery base in place.

8.Loosen 3 main screws holding motor in place, don't remove back screw completely!

9.Remove top 2 screws holding motor in place, leave third  screw in place.

10.Tilt motor downward.

11.Disconnect the speed sensor and the display plugs from their sockets.

12.Connect the SpeedBox2 plugs into the speed sensor and display sockets

13.Connect the speed sensor and the display plugs from motor to the SpeedBox sockets.

14.Insert the SpeedBox2 into the frame tube.

15.Insert and tighten the 3 main screws of motor.

16.Attach the cover on the left side.

17.Reattach the cover on the right side

18. Reattach the chain sprocket



SpeedBox for GIANT SyncDrive + EVO:

SpeedBox for Giant SyncDrive + CHARGE:

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Design of products

Design of products

Although appearance is not very important for SpeedBox, we want it to excel among others and be among the designer pieces. Components made of high-quality material gives SpeedBox not only mechanical strength, durability and water resistance, but also an attractive appearance.

Top quality

Top quality

We use only electronic components of world's leading producers, during the production of SpeedBox. The processor is certified for the automotive industry, and the SpeedBox is tested several times during and after production to make sure you receive a reliable product.

Easy installation

Easy installation

We use the original keyed connectors to connect the SpeedBox to the electric bike, which are colour coded so you know exactly where to connect the connector. We've put together detailed instructions and videos which could help you easily install the SpeedBox by yourself.