1. Introducció
Welcome to the Heybike Ranger S Electric Bike user manual. This guide provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new electric bicycle. The Heybike Ranger S is designed for both daily commutes and adventurous rides, offering a blend of power, convenience, and smart technology.
Equipped with a 1400W peak brushless motor, a 720Wh removable battery, and 20-inch by 4.0-inch fat tires, this e-bike delivers robust performance and a comfortable ride across various terrains. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
2. Pautes de seguretat
La vostra seguretat és primordial. Seguiu les següents pautes:
- Porteu sempre casc: Ensure your helmet meets safety standards and is properly fitted.
- Pre-ride inspection: Before each ride, check tire pressure, brake functionality, battery charge, and ensure all quick releases and fasteners are secure.
- Understand local laws: Familiarize yourself with local regulations regarding electric bicycles, including speed limits and helmet requirements.
- Ride defensively: Be aware of your surroundings, anticipate potential hazards, and use hand signals for turns and stops.
- Avoid riding in adverse conditions: Extreme weather, poor visibility, or slippery surfaces can compromise safety.
- No supereu els límits de pes: The maximum load capacity for the Heybike Ranger S is 400 lbs.
- Secure the battery: Always ensure the battery is properly locked in place before riding.
3. Configuració i muntatge
The Heybike Ranger S comes partially assembled. Follow these steps to complete the setup:
3.1 Desembalatge i identificació de components
Carefully remove the bike and all components from the packaging. Verify all parts are present according to the packing list in your user manual.
Video: Heybike Ranger S Electric Bike Assembly Guide
This video provides a step-by-step guide on how to properly assemble your Heybike Ranger S ebike.
3.2 Instal·lació de la roda davantera
- Locate the front fork and remove the protective stud bolts.
- Remove the black retainer from the brake caliper.
- Take the front wheel and insert one of the stud bolts through the center shaft from the brake disc side. Tighten slightly with a gear wrench.
- Carefully position the front wheel between the forks and slide the sub bolts into the threaded part of the fork dropouts.
- Use a gear wrench to tighten the stud bolts securely.
- Cover the screws on both sides of the front wheel with the provided screw covers.
3.3 Muntatge del manillar
- Locate the head parts, loosen the fastening screw, and remove the washer.
- Place the handlebar onto the head parts and adjust the handlebar angle to ensure the bike is straight in line.
- Obriu la palanca d'alliberament ràpid.
- Use a smaller Allen wrench to tighten the screws around the head parts.
- Use an Allen wrench to tighten the screw and lock the quick-release lever.
3.4 Headlight & Front Fender Assembly
- Locate the headlight stud bolts and attach the headlight and front fender.
- Use a gear wrench and an Allen wrench to fasten the headlight and fenders above the front fork.
- Connect the power cable of the headlight with the handlebar's cable. Also, connect the display cable to the handlebar's cable.
- Loosen the two screws located on both sides of the front fork, align the coils of the two arms of the fender with the holes, then use an Allen wrench to tighten the screws.
3.5 Pedal Assembly
- Locate the right/left side pedal. Each pedal should have a sticker with an 'R'/'L' on it to indicate which side it belongs to.
- Take the right pedal and gently thread it onto the right crank by hand, turning it clockwise. Be careful not to cross-thread the pedal. Once it is threaded correctly, use an Allen wrench to tighten the pedal securely. Repeat step 2 for the left pedal, threading it onto the left crank by hand and tightening it with an Allen wrench.
- Check the chain alignment. Rotate the right pedal and crank toward the back of the bike as though pedaling backward. Watch the chain and ensure the chain runs through the drive train (the rear cog, chain tensioner, and around the front chainring) smoothly.
3.6 Assemblea de seients
- Obriu el clamp under the seat post and push the seat down.
- Set it to a height that fits the rider, then use the clamp per assegurar el seient al seu lloc.
4. Components mésview
The Heybike Ranger S is equipped with advanced features for a superior riding experience.
4.1 Powerful Brushless Motor

Image: Powerful Brushless Motor
The Heybike Ranger S features a 750W brushless geared motor with a peak output of 1400W, capable of tackling steep 30-degree inclines and reaching speeds of 28+ MPH.
4.2 Removable Large Battery

Image: Removable Large Battery
A 720Wh (48V 14.4Ah) removable battery provides up to 55 miles of range on a single charge, with a fast charging time of 3-4 hours.
Video: How to remove the Heybike Ranger S Battery
This video demonstrates the process of removing the battery from your Heybike Ranger S electric bike.
4.3 Dual Hydraulic Suspension & Brakes

Image: Dual Hydraulic Suspension
The hydraulic front suspension absorbs shocks for a smoother, safer ride, enhancing stability on various terrains.

Image: Hydraulic Disc Brake
Advanced hydraulic disc brakes provide powerful and sensitive stopping force in all weather conditions, ensuring superior control and reliability.
4.4 Foldable and Step-Thru Design

Image: Foldable Design
The convenient foldable design allows for easy storage in car trunks, garages, or RVs, ideal for limited spaces or transport.
Video: Heybike Ranger S Folding Electric Bike
This video demonstrates the folding mechanism of the Heybike Ranger S electric bike for compact storage and transport.

Image: Step-Thru Design
The step-through frame design ensures easy mounting and dismounting, suitable for riders of all ages and mobility levels.
4.5 Control intel·ligent d'aplicacions

Image: Easy App Control
The Heybike app offers features like anti-theft protection, auto lock/unlock, and firmware updates for enhanced security and customization.
5. Instruccions de funcionament
5.1 Engegada/apagada
Before riding, ensure the battery's power switch is turned ON. To turn the bike on or off, press and hold the power button on the handlebar display.
5.2 Pantalla i controls

Image: Handlebar Controls Overview
The clear LCD display provides real-time information including speed, battery level, and Pedal Assist System (PAS) level.
- PAS Levels: Use the '+' and '-' buttons to adjust the pedal assist level (0-5). Level 0 provides no motor assistance.
- Acceleració: The thumb throttle provides instant power without pedaling.
- Far: Press the headlight button to turn the front light on or off.
- Senyals de gir: Use the turn signal control to activate the integrated turn signals for increased visibility.
- Frens: The bike is equipped with hydraulic disc brakes for responsive stopping power.
5.3 Modes de conducció

Image: Power Your Ride, Your Way
The Heybike Ranger S offers multiple riding modes to suit your preference and terrain.
- Mode elèctric pur: Use the throttle for motor power without pedaling.
- Mode d'assistència al pedal: The motor provides assistance as you pedal, with adjustable levels.
- Mode manual: Aneu amb bicicleta com una bicicleta tradicional sense assistència motoritzada.
- Mode de caminada: Ofereix assistència a baixa velocitat per caminar amb bicicleta.
6. Manteniment
Regular maintenance ensures the longevity and safe operation of your Heybike Ranger S.
- Pressió dels pneumàtics: Comproveu la pressió dels pneumàtics abans de cada trajecte. Mantingueu la PSI recomanada per a un rendiment i una seguretat òptims.
- Inspecció de frens: Regularly inspect brake pads and rotors for wear. Ensure brake levers are responsive and provide adequate stopping power.
- Lubricació de la cadena: Keep the chain clean and lubricated to prevent rust and ensure smooth gear changes.
- Comprovació de fixacions: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.
- Cura de la bateria: Store the battery in a cool, dry place and charge it regularly, even when not in use, to prolong its lifespan.
- Neteja: Neteja la teva bicicleta elèctrica amb anuncisamp drap. Eviteu rentar directament els components elèctrics a alta pressió.
7. Solució De Problemes
Aquí teniu alguns problemes comuns i les seves possibles solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta no s'encén | Battery switch off, low battery, loose connections | Ensure battery switch is ON, charge battery, check all cable connections. |
| El motor no ajuda | PAS level 0, brake levers engaged, motor cable loose | Increase PAS level, ensure brake levers are fully released, check motor cable connection. |
| Els frens es senten febles | Worn brake pads, air in hydraulic line, misaligned caliper | Inspect/replace brake pads, bleed hydraulic system (professional service recommended), adjust caliper alignment. |
| Sorolls inusuals | Loose components, dry chain, rubbing parts | Check all fasteners, lubricate chain, identify and adjust rubbing components. |
If you encounter issues not listed here or cannot resolve a problem, please contact Heybike customer support.
8. Especificacions
| Característica | Especificació |
|---|---|
| Motor | 750W Brushless Geared Hub Motor (1400W Peak) |
| Bateria | 720Wh (48V 14.4Ah) Removable Lithium-Ion |
| Velocitat màxima | Més de 28 mph |
| Interval màxim | Fins a 55 milles per càrrega |
| Temps de càrrega | 3-4 Hours (with 48V/4A charger) |
| Pneumàtics | Pneumàtics gruixuts de 20" x 4.0" |
| Frens | Frens de disc hidràulics (davanters i posteriors) |
| Material del marc | Aliatge d'alumini |
| Tipus de marc | Foldable, Step-Thru |
| Suspensió | Front Hydraulic Suspension |
| Engranatges | 7-Speed Shimano Derailleur |
| Capacitat de càrrega màxima | 400 lliures |
| Alçada recomanada del genet | 1,62 m - 1,93 m |
| Pes de la bicicleta | 72 lliures |
| Característiques especials | APP Control, LCD Display, Integrated Lighting System (Headlight, Turn Signals, Brake Lights), Cargo Rack |
9. Garantia i assistència
For detailed warranty information, please refer to the warranty card included with your Heybike Ranger S or visit the official Heybike website. If you require technical assistance, spare parts, or have any questions, please contact Heybike customer support through their official channels. Keep your purchase receipt and serial number handy for faster service.





