1. Introducció
This manual provides essential information for the safe operation, maintenance, and care of your Gotrax 20" Folding Electric Bike R3. Please read this manual thoroughly before your first ride to ensure proper usage and to maximize your riding experience. Retain this manual for future reference.
2. Informació de seguretat
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Familiarize yourself with local regulations regarding electric bikes. The R3 electric bike is UL Certified (UL2849), ensuring compliance with safety standards.
Característiques clau de seguretat:
- Frens de disc dobles: Provides powerful and reliable stopping capability.
- LED Headlight & Rear Reflector: Enhances visibility for safe day and night riding.
- Front Shock Absorber: Improves ride comfort and stability on varied terrain.
3. Contingut del paquet
En desembalar, assegureu-vos que hi hagi tots els elements:
- Gotrax 20" Folding Electric Bike R3 (mostly assembled)
- Carregador de bateria
- Manual d'instruccions
- Eines d'instal·lació
- Keys (for battery activation and removal)
4. Configuració i muntatge
The R3 electric bicycle comes highly assembled. Follow these steps to prepare your bike for its first ride:
- Unfolding the Bike: Carefully unfold the main frame until it locks securely. Ensure all quick-release levers are properly fastened.
- Ajust del manillar: Raise the handlebar stem to your desired height and secure the quick-release lever. Ensure the pin is locked to prevent wobbling.
- Ajust del seient: Ajusteu l'alçada de la tija del seient per a una posició de conducció còmoda, assegurant-vos que els peus puguin tocar a terra quan esteu aturats. Fixeu la palanca de desblocament ràpid.
- Instal·lació de pedals: Attach the pedals using the provided tools. Note that pedals are typically marked 'L' for left and 'R' for right.
- Activació de la bateria: Insert the key into the ignition port (located underneath the frame near the folding mechanism) and turn it clockwise to activate the battery.
- Càrrec inicial: Carregueu completament la bateria abans del primer trajecte.
Video: GOTRAX R2 Folding Electric Bike - This video demonstrates the unboxing and initial setup of the Gotrax R2 electric bike, which shares similar assembly steps with the R3 model.
5. Components i característiques

Image: The Gotrax R3 Folding Electric Bike, showcasing its overall design and robust tires.
- Motor: 500W brushless motor, providing a top speed of 20 MPH.
- Engranatges: Shimano 7-speed gear system for versatile riding.
- Pneumàtics: 20" x 4" wear-resistant tires suitable for various terrains.
- Bateria: 48V 13.6AH Lithium battery.
- Interval: Up to 70 miles in pedal-assist mode (level 1) and 28 miles in pure electric mode.
- Temps de càrrega: Aproximadament 5 hores per a una càrrega completa.
- Frens: Dual disc brakes for effective stopping power.
- Suspensió: Front shock absorber for a smoother ride.
- Il·luminació: LED headlight and rear reflector for visibility.
- Visualització: Smart LCD display showing real-time battery, mileage, speed, and error codes.
- Modes de conducció: Pure electric mode, pedal assist mode (5 levels), and bicycle mode.
- Plegable: Easy-to-fold design for compact storage (folded size: 35.4"x20.5"x29.3").
- Rear Rack: Sturdy rear rack for carrying items.

Image: Key features of the Gotrax R3 Electric Bike, including 20"x4" fat tires, Shimano 7-speed, dual front suspension, 3 riding modes, and all-terrain capability.
6. Instruccions de funcionament
LCD Display Functions:

Image: The smart LCD display on the Gotrax R3 handlebar, providing essential ride information.
- Energy Bar: Mostra el nivell de bateria restant.
- Velocitat: Shows current riding speed (MPH or KM/H).
- PAS (Pedal Assist Level): Indica el nivell actual d'assistència al pedaleig (0-5).
- ODO (Comptaquilòmetres): Fa el seguiment de la distància total recorreguda.
- Viatge: Shows distance for the current trip.
- Codi d'error: Displays diagnostic codes if an issue occurs.
Controls:
- Encès/apagat: Press and hold the 'M' button for two seconds to turn the display on/off.
- Nivells d'assistència al pedal: Use the '+' and '-' buttons on the left handlebar to adjust between 5 pedal assist levels. Level 0 is no assist.
- Acceleració: The throttle is located on the right handlebar. Twist it to engage pure electric mode.
- Headlight Activation: Press and hold the 'M' and '+' buttons simultaneously for 2-3 seconds to turn the headlight on/off.
- Canvi de marxa: Use the Shimano 7-speed shifter on the right handlebar to change gears manually.
Video: GOTRAX R2/F2 Folding Electric Bike Test - This video demonstrates the riding experience and various features of the Gotrax R2/F2 electric bikes, including display functions and controls.
7. Bateria i càrrega
The R3 is equipped with a 48V 13.6AH Lithium battery. It offers two convenient charging methods:
- Càrrega directa: Plug the charger directly into the charging port on the bike.
- Removable Battery Charging: Use the key to unlock and remove the battery from the frame, then charge it separately.
A full charge takes approximately 5 hours. Always use the official Gotrax charger.

Image: The high-capacity 48V 13.6AH Lithium battery, emphasizing its range and charging flexibility.
8. Folding & Storage
The R3's foldable design makes it highly portable and easy to store. The folded size is approximately 35.4"x20.5"x29.3".
Passos de plegat:
- Lower the seat post to its lowest position.
- Release the quick-release lever on the handlebar stem and fold the handlebars down.
- Locate the main frame folding latch (near the pedals), release the safety catch, and open the latch to fold the bike in half.
- Secure the folded bike with any integrated clasps to prevent it from unfolding during transport.

Image: Illustration of the Gotrax R3's dimensions and its compact folded size for easy storage.
9. Manteniment
Regular maintenance ensures the longevity and safe operation of your R3 electric bike. Refer to the included instruction manual for a detailed maintenance schedule and specific care instructions.
Consells generals de manteniment:
- Keep tires properly inflated (check PSI regularly).
- Inspect brakes for wear and proper function.
- Mantingueu la cadena neta i lubricada.
- Comproveu que tots els cargols i elements de fixació estiguin ben ajustats.
- Store the bike in a dry, cool place.
10. Solució De Problemes
The smart LCD display can show error codes to help diagnose issues. Consult your detailed instruction manual for a list of common error codes and their corresponding solutions. For complex issues, contact Gotrax customer service.
11. Especificacions
| Característica | Especificació |
|---|---|
| Tipus de bicicleta | Bicicleta elèctrica |
| Nom del model | R3 |
| Motor | 500 W sense escombretes |
| Velocitat màxima | 20 MPH |
| Bateria | 48V 13.6AH Lithium |
| Gamma d'assistència al pedal | Up to 70 miles (Level 1) |
| Gamma elèctrica pura | Fins a 28 milles |
| Temps de càrrega | 5 hores |
| Mida de la roda | 20 polzades |
| Mida del pneumàtic | 20 cm x 4 cm |
| Engranatges | Shimano de 7 velocitats |
| Estil de fre | Fre de disc dual |
| Tipus de suspensió | Dual Front Suspension |
| Material del marc | Alumini |
| Mida plegada | 35.4"x20.5"x29.3" |
| Capacitat de pes | Màxim 264 lliures |
| Certificació UL | UL2849 |
12. Garantia i assistència
Gotrax offers a 365-day part assurance for your R3 electric bike. If you encounter any problems or require assistance, please contact Gotrax customer service. We are committed to providing 100% satisfactory after-sales service.
For customer service, refer to the contact information provided in your physical instruction manual or visit the official Gotrax weblloc.





