1. Introduktion
Welcome to the user manual for your new BURCHDA AZ20 E-MTB. This electric mountain bike is designed for versatile use, featuring a full suspension system, powerful motor, and a robust aluminum frame. It is equipped with 20-inch 4.0 fat tires, hydraulic disc brakes, and a 48V20Ah lithium-ion battery, offering a reliable and comfortable riding experience across various terrains. This manual provides essential information for the safe assembly, operation, and maintenance of your E-MTB. Please read it thoroughly before your first ride.

Figure 1.1: The BURCHDA AZ20 E-MTB, showcasing its robust design and included front basket.
2. Sikkerhedsoplysninger
Din sikkerhed er altafgørende. Brug altid hjelm og passende sikkerhedsudstyr, når du kører. Overhold lokale færdselslove og -regler.
2.1 Generelle sikkerhedsretningslinjer
- Udfør en inspektion før hver brug, hvor du kontrollerer bremser, dæktryk og batteriniveau.
- Sørg for, at alle hurtigudløsergreb og bolte er forsvarligt spændt.
- Rid ikke under påvirkning af alkohol eller stoffer.
- Vær opmærksom på dine omgivelser og foregribe potentielle farer.
- Undgå at køre i dårligt vejr, såsom kraftig regn eller sne, hvis sigtbarheden er dårlig.
2.2 Bremsesystem
The BURCHDA AZ20 is equipped with hydraulic disc brakes for reliable stopping power.
- Familiarize yourself with the braking feel and stopping distance in a safe area before riding in traffic.
- Apply both front and rear brakes simultaneously for optimal control and stability.
- The automatic taillight enhances visibility, especially during braking.

Figure 2.1: Detail of the hydraulic disc brake system, providing strong and consistent stopping power.

Figure 2.2: The integrated warning taillight, designed to improve visibility for vehicles behind the rider.
2.3 Batterisikkerhed
- Only use the charger provided by BURCHDA.
- Udsæt ikke batteriet for ekstreme temperaturer eller direkte sollys i længere perioder.
- Avoid puncturing, dropping, or disassembling the battery pack.
- Oplad batteriet i et godt ventileret område, væk fra brandfarlige materialer.
3. Samling og indledende opsætning
Your BURCHDA AZ20 E-MTB comes partially assembled. Follow these steps for final assembly and initial setup. It is recommended to have basic tools available, such as Allen wrenches and a pedal wrench.
3.1 Udpakning og inspektion
- Tag forsigtigt cyklen og alle komponenter ud af emballagen.
- Inspect for any visible damage during shipping. Contact customer support immediately if damage is found.
- Verify all included components are present: bicycle frame, front wheel, handlebars, seat post, pedals, charger, and any accessories like the basket, horn, reflectors, and fenders.
3.2 Installation af styr
- Attach the handlebars to the stem, ensuring proper alignment with the front wheel.
- Tighten the stem bolts evenly and securely.
- Adjust the angle of the brake levers and shifters for comfortable reach.

Figure 3.1: Handlebar assembly with the integrated LCD display and control buttons.
3.3 Pedalinstallation
- Identificer venstre (L) og højre (R) pedal.
- Den højre pedal (R) skrues med uret ind i pedalarmen.
- Den venstre pedal (L) skrues mod uret ind i pedalarmen.
- Tighten pedals firmly with a pedal wrench.
3.4 Justering af sadelpind og sadel
- Sæt sadelpinden ind i stellets sadelrør.
- Adjust the saddle height so your leg has a slight bend at the knee when the pedal is at its lowest point.
- Secure the quick-release lever or bolt firmly.
- The extra-wide 27cm comfort saddle is designed for ergonomic support.

Figure 3.2: The ergonomically optimized 27cm wide saddle, designed for enhanced comfort during rides.
3.5 Dækpumpe
- Pump dækkene op til det anbefalede tryk, der er angivet på dækkets sidevæg.
- Proper tire pressure is crucial for safety, performance, and battery range.
4. Betjeningsvejledning
Understanding the controls and features of your BURCHDA AZ20 E-MTB will ensure a smooth and enjoyable ride.
4.1 Batteri og opladning
- The 48V20Ah Li-Ion battery is integrated into the frame and is removable for charging.
- Opladningstiden er cirka 4-6 timer for en fuld opladning.
- Ensure the battery is securely locked into the frame before riding.
- A fully charged battery provides a range of 60-70km, depending on terrain, rider weight, and assist level.

Figure 4.1: The 48V20Ah large capacity battery, featuring a Battery Management System (BMS) for multi-functional protection.
4.2 Control System and Display
The E-MTB features a three-part control system: an intelligent display, a smart controller, and a 7-speed gear shift.
- Intelligent skærm: Provides real-time data including battery level, speed (KM/H or MPH), mileage, error codes, and current assist level. It also features a USB charging port for external devices.
- Ridemåder:
- E-Bike Mode: Fuld elektrisk kraft, ingen pedalering nødvendig.
- Assistance Mode: Motor provides assistance as you pedal, with multiple assist levels (e.g., 5-speed).
- Manuel tilstand: Kør som en traditionel cykel uden motorassistance.
- 7-Speed Gear Shift: Allows you to adjust pedaling resistance for different terrains and speeds.

Figure 4.2: The intelligent LCD color instrument display, showing various functions like battery level, cruise control, speed unit switching, error codes, mileage, and 5-speed assist levels.
4.3 Motor og ydeevne
The BURCHDA AZ20 is equipped with a high-power motor designed for strong output and excellent torque.
- The motor provides assistance for climbing hills with ease, supporting up to a 30° incline.
- Adjustable speed settings are available, with a maximum speed of 25km/h (governed by regulations).
- The motor delivers 95 N.m of torque for powerful acceleration.

Figure 4.3: The high-power motor, providing strong output and torque for efficient climbing and acceleration.
4.4 Ophængssystem
The dual-suspension system, including a lockable front fork, provides a comfortable ride over varied terrain.
- The front suspension fork can be locked for more efficient pedaling on smooth surfaces.
- The rear suspension absorbs shocks from bumps and uneven ground, enhancing rider comfort and control.

Figure 4.4: Visual representation of the dual shock suspension system, designed to absorb impacts for a smoother ride.
5. Vedligeholdelse
Regular maintenance is crucial for the longevity and safe operation of your E-MTB.
5.1 Rengøring
- Rengør cyklen regelmæssigt med reklameamp cloth and mild soap. Avoid high-pressure washers near electrical components.
- Keep the chain and gears clean and lubricated.
5.2 Pleje af batterier
- Opbevar batteriet på et køligt, tørt sted, når det ikke er i brug.
- Hvis batteriet opbevares i længere perioder, skal det oplades til 50-70% hver 2-3 måned.
- Aflade ikke batteriet helt før genopladning.
5.3 Brake and Tire Checks
- Kontroller regelmæssigt bremseklodserne for slid, og udskift dem efter behov.
- Ensure brake levers have proper tension and responsiveness.
- Inspect tires for cuts, punctures, and proper inflation before each ride.
5.4 Kontrol af fastgørelseselementer
- Kontrollér regelmæssigt alle bolte, møtrikker og hurtigkoblingsgreb for fastspænding.
- Pay special attention to critical areas like the handlebars, seat post, wheels, and crank arms.
6. Fejlfinding
This section addresses common issues you might encounter with your BURCHDA AZ20 E-MTB.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Motoren hjælper ikke | Battery low or off; assist level set to zero; brake lever engaged. | Check battery charge and power; increase assist level on display; ensure brake levers are fully released. |
| Display tænder ikke | Battery not connected or dead; loose cable connection. | Ensure battery is fully inserted and charged; check all electrical connections. |
| Bremserne føles svage | Slidte bremseklodser; luft i hydraulikledningen; forkert justerede bremsekalibre. | Inspect and replace brake pads; consult a bike mechanic for hydraulic bleeding or caliper adjustment. |
| Usædvanlige lyde fra drivlinjen | Dry chain; misaligned derailleur; loose components. | Lubricate chain; adjust derailleur; check for loose bolts. |
| Fejlkode på display | Specifik systemfejl. | Refer to the display's error code manual (if provided separately) or contact customer support with the specific code. |
7. Specifikationer
Detailed technical specifications for the BURCHDA AZ20 E-MTB.
| Feature | Specifikation |
|---|---|
| Mærke | BURCHDA |
| Modelnummer | AZ20 |
| Type cykel | Fatbike, Multifunctional Bicycle |
| Aldersinterval | Voksen |
| Rammemateriale | Aluminiumslegering |
| Ophængstype | Fuld affjedring |
| Hjulstørrelse | 20 tommer |
| Dækstørrelse | 20 x 4.0 Inches (Fat Tire) |
| Antal hastigheder | 7-speed |
| Bremse type | Hydraulisk skivebremse |
| Batteri | 48V20Ah Li-Ion (Removable) |
| Opladningstid | 4-6 timer |
| Rækkevidde (elektrisk assistance) | 60-70 km |
| Max belastningskapacitet | 200 kg |
| Varens vægt | 35 kilo |
| Inkluderede komponenter | Reflectors, Horn, Basket, Luggage Rack, Fenders |
| Særlige funktioner | Dual Disc Brake, Multi-Speed, Taillight, Dual Suspension, Digital Display |

Figure 7.1: Product dimensions and recommended rider height (5'2"-6'0") for the BURCHDA AZ20 E-MTB.
8. Garanti og support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official BURCHDA webwebsted.
- Gem dit købsbevis for garantikrav.
- For technical assistance or spare parts, contact BURCHDA customer service.





