1. Bubuka
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. Émbaran Kasalametan
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.
- Salawasna nganggo helm sareng alat kaamanan anu pas nalika numpak.
- Laksanakeun pamariksaan sateuacan naek sateuacan unggal panggunaan, pariksa rem, ban, sareng tingkat batré.
- Ulah numpak dina pangaruh alkohol atawa narkoba.
- Waspada kana sakuliling anjeun sareng pangguna jalan anu sanés.
- Ulah numpak dina kaayaan cuaca anu goréng, sapertos hujan ageung atanapi salju, upami tiasa.
- Pastikeun mékanisme tilepan dikonci pageuh sateuacan numpak.
- Ulah ngaleuwihan kapasitas beban maksimum 150 kg.
3. komponén Leuwihview
Familiarize yourself with the main components of your Fafrees FF20 Polar e-bike.

Gambar 3.1: Sisi 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. Sistim cahaya

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. Setup jeung Majelis Awal
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.
- Pamasangan Handlebar: Unfold the handlebar stem and secure it in the upright position. Adjust the handlebar height and angle for comfortable riding.
- Pamasangan 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.
- Pasang Kursi Pos: Insert the seat post into the frame and adjust the height to your preference. Ensure the quick-release lever is securely tightened.
- Ngeusi batre: 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.
- Inflasi ban: Check and inflate tires to the recommended pressure (refer to tire sidewall or specifications section).
- Inspeksi Pra-Naik: 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. Parentah Operasi
5.1. Powering on / Pareum
- Pikeun ngahurungkeun e-bike, pencét terus tombol daya dina layar LCD.
- Pikeun mareuman, pencét jeung tahan tombol daya deui nepi ka tampilan pareum.
5.2. Modeu Tunggang
The Fafrees FF20 Polar offers three riding modes:
- Modeu Pitulung Pedal (PAS): Provides electric assistance as you pedal. Adjust the assist level using the '+' and '-' buttons on the display.
- Mode listrik: Use the throttle to propel the bike without pedaling.
- Modeu Manual: Naék sapédah kawas sapédah tradisional tanpa bantuan listrik.
5.3. Ngaganti Gir
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. Ngerem
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. Tilepan jeung Unfolding
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. Pangropéa
Regular maintenance ensures the longevity and optimal performance of your e-bike.
- Perawatan batré: Store batteries in a cool, dry place. Charge regularly, even if not in use, to maintain battery health. Avoid fully discharging the battery.
- Tekanan Ban: Check tire pressure weekly and inflate to the recommended PSI.
- Pamariksaan rem: Regularly check brake pads for wear and brake cables for tension. Adjust or replace as needed.
- Pelumasan ranté: Jaga ranté tetep bersih sareng dilumasi pikeun mastikeun pergantian gir lancar sareng nyegah karat.
- beberesih umum: Ngabersihan sapédah sacara teratur nganggo iklanamp lawon. Ulah nganggo semprotan cai tekanan tinggi langsung kana komponén listrik.
- Pariksa Fastener: Pariksa sacara berkala sadaya baut, mur, sareng pelepas cepat pikeun mastikeun pageuhna.
7. Cara ngungkulan
This section addresses common issues you might encounter with your Fafrees FF20 Polar e-bike.
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| E-sapédah teu daya on. | Batré henteu dieusi atanapi henteu dipasang leres. | Ensure batteries are fully charged and securely inserted. Check connections. |
| Motor teu méré bantuan. | PAS level too low, throttle issue, or brake lever engaged. | Increase PAS level on display. Check throttle connection. Ensure brake levers are not squeezed. |
| Jangkauan batré pondok. | 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. |
| Rem karasa lemah. | Kampas rem anu tos aus atanapi kabel rem anu kendor. | Inspect brake pads for wear and replace if necessary. Adjust brake cable tension. |
| Sora-sora anu teu biasa nalika nunggang. | Loose components, dry chain, or misaligned gears. | Check all fasteners for tightness. Lubricate the chain. Adjust gear derailleur if needed. |
If you encounter issues not listed here or require further assistance, please contact Fafrees customer support.
8. Spésifikasi
Key technical specifications for the Fafrees FF20 Polar electric bicycle:
| Fitur | Spésifikasi |
|---|---|
| Nomer modél | FF20 POLAR |
| Jenis Sapédah | Sapédah listrik tilepan |
| Bahan Pigura | alumunium |
| Ukuran kabayang | 20 inci |
| Ukuran Ban | 20 x 4.0 inci (Ban Gendut) |
| Kapasitas batré | Dual 48V (20.8Ah / 24Ah / 26.8Ah total options) |
| Rentang (Bantuan Listrik) | Up to 130km / 150km / 170km (depending on battery option) |
| Torsi Motor | 65 Nm |
| Rem | Rem Cakram mékanis |
| Jumlah Speeds | 7 |
| Suspensi | Full Suspension (Front Suspension Fork) |
| Ukuran produk (L x W x H) | 179 x 121 x 68 cm |
| Beurat Produk Net | 24 kg (product listing) / 34 kg (specifications listing) - Note: Discrepancy in source data. |
| Max Beban Kamampuh | 150 kg |
| Fitur husus | Digital Display, Taillight, Mudguard, Foldable, Multiple Speeds |
| Komponén Kaasup | Mudguard, Mirror, Tool Kit |
9. Garansi jeung Rojongan
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.





