1. Entwodiksyon
Thank you for choosing the Fafrees FF20 Polar 20-inch Folding Electric Bicycle. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your e-bike. Please read this manual thoroughly before your first ride and keep it for future reference.

Figure 1.1: Fafrees FF20 Polar 20-inch Folding Electric Bicycle (Red)
The Fafrees FF20 Polar is a versatile folding electric bicycle designed for urban commuting and off-road adventures. It features a powerful motor, dual long-endurance batteries, fat tires for various terrains, and a convenient foldable design for easy storage and transport.
2. Enfòmasyon sou Sekirite
Your safety is paramount. Always adhere to local traffic laws and regulations. Failure to follow these safety guidelines may result in serious injury or property damage.
- Toujou mete yon kas ak ekipman sekirite apwopriye lè w ap monte bisiklèt.
- Fè yon enspeksyon anvan chak itilizasyon, tcheke fren yo, kawotchou yo ak nivo batri a.
- Pa monte anba enfliyans alkòl oswa dwòg.
- Fè atansyon ak sa k ap pase bò kote w ak lòt moun k ap itilize wout la.
- Avoid riding in adverse weather conditions, such as heavy rain or snow, if possible.
- Ensure the folding mechanisms are securely locked before riding.
- Pa depase kapasite chaj maksimòm 150 kg.
3. Konpozan souview
Familiarize yourself with the main components of your Fafrees FF20 Polar e-bike.

Figi 3.1: Side view of the Fafrees FF20 Polar electric bicycle, showing its full profile.
3.1. Dual Battery System

Figure 3.2: Diagram illustrating the dual battery system (48V 20.8Ah total) with main and second batteries, and battery management system (BMS). The dual battery equalizer reduces the current intensity of each battery, increasing its lifespan and mileage.
3.2. Dual Disc Brakes

Figure 3.3: Diagram showing the dual disc brake system on the Fafrees FF20 Polar, highlighting the power-off brake function for enhanced safety.
3.3. Sistèm ekleraj

Figure 3.4: Image demonstrating the super bright 15W front and 5W rear lights of the e-bike, essential for night riding visibility.
3.4. CHAOYANG 20x4.0 Fat Tires

Figure 3.5: Close-up of the CHAOYANG 20x4.0 fat tires, designed with stronger friction to adapt to various riding environments including snow, sand, mud, gravel, and flat terrain.
3.5. Color LCD Display

Figure 3.6: Image of the color LCD screen displaying key metrics such as power, speed, riding mode, trip distance, and total distance. Features include automatic cruise control (activates after 8 seconds of fixed speed) and Walk Assist Mode.
4. Enstalasyon ak Premye Asanblaj
Your Fafrees FF20 Polar e-bike comes mostly pre-assembled. Follow these steps for final assembly and preparation for your first ride.
- Unboxing: Carefully remove the e-bike and all components from the packaging. Retain the packaging for potential future transport or returns.
- Enstalasyon gidon: Unfold the handlebar stem and secure it in the upright position. Adjust the handlebar height and angle for comfortable riding.
- Enstalasyon pedal: Identify the left (L) and right (R) pedals. Screw them into the crank arms. Note that the left pedal has a reverse thread. Tighten securely.
- Enstalasyon tij syèj la: Insert the seat post into the frame and adjust the height to your preference. Ensure the quick-release lever is securely tightened.
- Chaje batri: Fully charge both batteries before your first ride. Connect the charger to the battery charging port and then to a power outlet. The indicator light on the charger will change when fully charged.
- Enflasyon kawotchou: Check and inflate tires to the recommended pressure (refer to tire sidewall or specifications section).
- Enspeksyon anvan woulib la: Before every ride, check that all bolts and quick releases are tight, brakes are functioning correctly, tires are properly inflated, and the battery is sufficiently charged.
5. Operasyon Enstriksyon
5.1. Powering On / Off
- To power on the e-bike, press and hold the power button on the LCD display.
- Pou etenn li, peze epi kenbe bouton pouvwa a ankò jiskaske ekran an etenn.
5.2. Monte mòd
The Fafrees FF20 Polar offers three riding modes:
- Mòd Asistans Pedal (PAS): Provides electric assistance as you pedal. Adjust the assist level using the '+' and '-' buttons on the display.
- Mòd elektrik: Sèvi ak akseleratè a pou pouse bisiklèt la san ou pa pedale.
- Mòd manyèl: Monte bisiklèt la tankou yon bisiklèt tradisyonèl san okenn asistans elektrik.
5.3. Chanjman vitès
The e-bike is equipped with a 7-speed gear system. Use the shifter on the handlebar to change gears according to terrain and desired speed.
5.4. frenaj
The e-bike features dual mechanical disc brakes. Squeeze the brake levers on the handlebar to engage the brakes. The power-off brake function will cut motor power when braking.
5.5. Pliye ak Dewoulman
The quick-folding design allows for easy transport and storage.

Figure 5.1: Visual guide on the quick folding design, showing two steps: Step 1: Fold the frame. Step 2: Fold the handlebar. The bike can then be easily transported, for example, in a car trunk.
6. Antretyen
Antretyen regilye asire lonjevite ak pèfòmans optimal bisiklèt elektrik ou a.
- Swen batri: Store batteries in a cool, dry place. Charge regularly, even if not in use, to maintain battery health. Avoid fully discharging the battery.
- Presyon kawotchou: Check tire pressure weekly and inflate to the recommended PSI.
- Enspeksyon fren: Regularly check brake pads for wear and brake cables for tension. Adjust or replace as needed.
- Lubrifikasyon chèn: Kenbe chèn lan pwòp epi grese pou asire chanjman vitès yo fèt san pwoblèm epi pou anpeche rouye.
- Netwayaj jeneral: Netwaye bisiklèt la regilyèman avèk piblisiteamp twal. Evite sèvi ak jè dlo anba gwo presyon dirèkteman sou konpozan elektrik yo.
- Tcheke Fastener: Tcheke tout boulon, nwa, ak sistèm deblokaj rapid yo detanzantan pou wè si yo byen sere.
NAN. Depanaj
This section addresses common issues you might encounter with your Fafrees FF20 Polar e-bike.
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Bisiklèt elektrik la pa limen. | Batri a pa chaje oswa li pa byen enstale. | Ensure batteries are fully charged and securely inserted. Check connections. |
| Motè a pa bay asistans. | PAS level too low, throttle issue, or brake lever engaged. | Increase PAS level on display. Check throttle connection. Ensure brake levers are not squeezed. |
| Batri ki dire kout. | Under-inflated tires, heavy load, frequent use of high assist levels, or cold weather. | Inflate tires to recommended pressure. Reduce load. Use lower assist levels. Battery performance may decrease in cold weather. |
| Fren yo santi yo fèb. | Plakèt fren ki chire oswa kab fren ki lach. | Inspect brake pads for wear and replace if necessary. Adjust brake cable tension. |
| Bri dwòl pandan w ap monte. | Loose components, dry chain, or misaligned gears. | Check all fasteners for tightness. Lubricate the chain. Adjust gear derailleur if needed. |
Si ou rankontre pwoblèm ki pa nan lis la a oswa ou bezwen plis asistans, tanpri kontakte sèvis kliyan Fafrees.
8. Espesifikasyon
Key technical specifications for the Fafrees FF20 Polar electric bicycle:
| Karakteristik | Spesifikasyon |
|---|---|
| Nimewo Modèl | FF20 POLAR |
| Kalite bisiklèt | Pliye bisiklèt elektrik |
| Materyèl ankadreman | Aliminyòm |
| Gwosè wou | 20 pous |
| Gwosè kawotchou | 20 x 4.0 inches (Fat Tires) |
| Kapasite batri | Dual 48V (20.8Ah / 24Ah / 26.8Ah total options) |
| Ranje (Asistans Elektrik) | Up to 130km / 150km / 170km (depending on battery option) |
| Koupl motè | 65 Nm |
| Fren | Fren disk mekanik |
| Kantite vitès | 7 |
| Sispansyon | Full Suspension (Front Suspension Fork) |
| Dimansyon pwodwi (L x W x H) | 179 x 121 x 68 cm |
| Net pwodwi pwa | 24 kg (product listing) / 34 kg (specifications listing) - Note: Discrepancy in source data. |
| Kapasite chaj maksimòm | 150 kg |
| Karakteristik espesyal | Digital Display, Taillight, Mudguard, Foldable, Multiple Speeds |
| Konpozan ki enkli | Mudguard, Mirror, Tool Kit |
9. Garanti ak sipò
Fafrees E-Bike was created in 2020 with a commitment to providing high-quality and affordable electric bicycles. They aim to offer stable, fast, and dedicated logistics services.
For any questions, technical support, or warranty claims, please contact the seller directly through Amazon. The seller for this product is Fafrees_Ebikes.
When contacting support, please have your product's serial number ready. It is recommended to fully charge the battery before your first ride and to check the packaging upon receipt.
Fafrees offers a professional team with 5 years of experience, providing quick responses 24/7.





