1. Einleitung
Welcome to the ADO Air 20S Folding E-Bike user manual. This guide provides essential information for the safe operation, maintenance, and optimal performance of your new electric bicycle. Please read this manual thoroughly before your first ride and keep it for future reference.
The ADO Air 20S is designed for urban commuting, leisure rides, and light off-road adventures, offering a blend of portability, power, and comfort. Its lightweight design and advanced features make it an ideal choice for diverse riding conditions.

Figure 1: ADO Air 20S Folding E-Bike with included accessories.
2. Sicherheitshinweise
Ihre Sicherheit hat oberste Priorität. Halten Sie sich stets an die örtlichen Verkehrsregeln und -vorschriften. Tragen Sie einen Helm und die entsprechende Schutzausrüstung. Führen Sie vor jeder Fahrt eine Vorabkontrolle durch.
- Tragen Sie immer einen zertifizierten Helm.
- Ensure tires are properly inflated before each ride.
- Bremsfunktion prüfen.
- Familiarize yourself with the controls before riding in traffic.
- Fahren Sie nicht unter Alkohol- oder Drogeneinfluss.
- Achten Sie auf Ihre Umgebung und andere Verkehrsteilnehmer.
3. Packungsinhalt
Bitte überprüfen Sie nach dem Auspacken, ob alle Komponenten vorhanden sind:
- ADO Air 20S Folding E-Bike (90% pre-assembled)
- Ladegerät
- Werkzeugsatz
- Bedienungsanleitung
4. Aufbau und Montage
Your ADO Air 20S E-Bike arrives approximately 90% pre-assembled. The remaining assembly steps are straightforward and typically involve:
- Unfolding the frame and securing the locking mechanisms.
- Attaching the handlebars and adjusting their height.
- Installing the pedals (note left and right pedal orientation).
- Adjusting the seat post height for comfortable riding.
- Charging the battery fully before first use.
Refer to the included instruction manual and any provided assembly videos for detailed visual guidance.
5. Bedienungsanleitung
5.1 Ein-/Ausschalten
To power on the e-bike, press and hold the power button on the IPS Colorful Display. To power off, press and hold the same button until the display turns off.
5.2 IPS Colorful Display
The integrated IPS Colorful Display provides real-time information about your ride, including speed, mileage, power status, and navigation sync (via APP). Familiarize yourself with the display interface and button functions.

Figure 2: IPS Colorful Display interface.
5.3 Pedal Assist Modes
The ADO Air 20S features 3 levels of pedal assist, allowing you to choose the amount of motor assistance you receive while pedaling:
- Energiesparmodus: Lowest support, ideal for maximum range (up to 15 km/h assist).
- Tour-Modus: Medium support, balanced power and range (up to 20 km/h assist).
- Sportmodus: Highest support, for quick acceleration and climbing (up to 25 km/h assist).
Adjust the assist level using the controls on the handlebar to suit your riding conditions and desired effort.

Figure 3: Understanding the 3-level pedal assist modes.
5.4 Bremssystem
The e-bike is equipped with front and rear hydraulic disc brakes for reliable stopping power. Apply both brakes simultaneously for effective and safe deceleration. Hydraulic disc brakes offer superior control and heat dissipation compared to traditional mechanical brakes.
5.5 ADO Smart APP
Connect your ADO Air 20S to the ADO Smart APP via Bluetooth. The app allows you to monitor riding status, view fault maintenance records, and access customer service. It also provides a 360° interactive panoramic platform for an enhanced user experience.
6. Hauptmerkmale
- Leistungsstarker Motor: 250W high-speed brushless motor for efficient and quiet operation.
- Langstreckenakku: Removable 36V 9.6Ah built-in battery, offering up to 100KM (62.2 miles) range on a single charge.
- Carbon Belt Drive System: 36% lighter than traditional chains, providing smoother, quieter transmission with up to 98% efficiency and extended service life.
- Adjustable Shock Absorption: Robust front fork with adjustable shock absorption for a comfortable ride on various terrains, including gravel, streets, meadows, and mountains.
- Leichter Rahmen aus Aluminiumlegierung: Durable yet ultra-lightweight at 18.5 KG, making it easy to fold and transport.

Abbildung 4: Überview of ADO Air 20S key features.

Abbildung 5: Ausführlich view of the carbon belt drive.

Figure 6: Front shock absorption and hydraulic disc brake system.
7. Wartung
Regular maintenance ensures the longevity and safety of your e-bike.
- Reinigung: Reinigen Sie das Fahrrad regelmäßig mitamp Textilien. Vermeiden Sie es, elektrische Bauteile direkt mit Hochdruck zu reinigen.
- Batteriepflege: Charge the battery regularly, even if not in use, to maintain its health. Store in a cool, dry place.
- Riemenantrieb: The carbon belt drive requires minimal maintenance compared to traditional chains. Keep it free from excessive dirt and debris. Do not lubricate the belt.
- Bremsen: Periodically check brake pads for wear and ensure proper brake lever tension.
- Reifen: Prüfen Sie den Reifendruck vor jeder Fahrt. Der empfohlene Reifendruck ist normalerweise auf der Reifenflanke angegeben.
- Befestigungsmaterial: Überprüfen Sie regelmäßig alle Schrauben und Befestigungselemente auf festen Sitz.
8. Fehlerbehebung
If you encounter issues with your ADO Air 20S, refer to the following common troubleshooting tips:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Das Fahrrad lässt sich nicht einschalten. | Niedriger Batteriestand; lockerer Batterieanschluss; Problem mit dem Ein-/Ausschalter | Charge battery; ensure battery is securely seated; contact support if issue persists |
| Motor unterstützt nicht | Pedal assist level too low; sensor issue; motor connection | Increase assist level; check for error codes on display; contact support |
| Die Bremsen fühlen sich schwammig an | Air in hydraulic line; worn brake pads | Bleed brakes (professional service recommended); replace brake pads |
| Ungewöhnliche Geräusche | Loose components; debris in belt drive; worn bearings | Inspect bike for loose parts; clean belt drive; contact support for inspection |
For more complex issues or if troubleshooting steps do not resolve the problem, please contact ADO customer support.
9. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Modell | air 20s |
| Fahrradtyp | Elektrofahrrad, faltbar |
| Motor | 250W High-Speed Brushless |
| Batterie | 36V 9.6Ah Removable |
| Maximale Reichweite | Bis zu 100 km (62.2 Meilen) |
| Top Speed (Assisted) | 25 km/h (15.5 mph) |
| Radgröße | 20 Zoll |
| Rahmenmaterial | Alloy Steel (Aluminum) |
| Bremsentyp | Hydraulische Scheibenbremsen (vorne und hinten) |
| Suspension | Front (Adjustable Shock Absorption) |
| Übertragung | Carbon-Riemenantrieb |
| Anzahl der Geschwindigkeiten | 3 (Pedal Assist Modes) |
| Anzeige | IPS Colorful Display |
| Konnektivität | ADO Smart APP (Bluetooth) |
| Artikelgewicht | 18.5 kg |
| Gefaltete Abmessungen | 850*700*430mm (ca.) |

Figure 7: ADO Air 20S dimensions and folded configuration.
10. Garantie und Support
ADO is committed to providing reliable products and excellent customer service.
- Garantie: Your ADO Air 20S comes with a ein Jahr Garantie on the motor, battery, and controller. The frame is covered by a zehnjährige GarantieBitte bewahren Sie Ihren Kaufbeleg für Garantieansprüche auf.
- Kundendienst: If you have any questions, require assistance with assembly, or need technical support, please do not hesitate to contact ADO customer service. We aim to reply within 24 hours.
For contact information, please refer to the ADO Smart APP or the official ADO webWebsite.