Tern GSD Longtail Bike User Guide: Practical Tips
Here is an enriched and faithful version of the document, with all details added regarding the kickstand, weight, and assistance modes:
Main Features
- Maximum weight: Up to 200 kg, including:
- Rider: Maximum weight 120 kg.
- Bike: Weight between 32 and 33 kg (without battery).
Maximum load of the central stand (kickstand): 80 kg when deployed.
1. Screen Operation and Electric Assistance Modes 📺

- Turning on the system: Press the power button on the console or screen (a).
- Changing assistance levels: Use the up (b) or down (c) arrows to select the desired mode.
Available modes:
- OFF: No assistance, the bike works like a regular bike.
- ECO: Light assistance to maximize range.
- TOUR: Moderate assistance for long trips.
- SPORT: Strong assistance for a dynamic ride.
- TURBO: Maximum assistance for uphill rides or heavy loads.