You can download the general manual here

For some parts of the bike we refer to the manufacturer's manual:

• Pentalock keyfob,
• Spaninga head light en rear light
• Steco carriers
• Gates Belt drive
• Shimano hydraulische brakes
• LINKA lock

Instructions

How to mount an AXA lock on the WATT CALIFORNIA
How to mount the Curana fenders on the WATT BROOKLYN

How does the display work?

The MONTREAL and the BOSTON both use the same display. A manual for this display is found here  in English and 2022 manual. For the BROOKLYN, the display is integrated in the handlebar. For the mentioned display, a manual is found here as well in English.