1. Einleitung
Thank you for choosing the RCB RK15 Electric Bicycle. This manual provides essential information for the safe assembly, operation, and maintenance of your e-bike. Please read it thoroughly before your first ride to ensure optimal performance and safety.
The RCB RK15 is designed for comfortable commuting and exploration, featuring a powerful 250W motor, a long-range removable battery, 26-inch wear-resistant tires, and a shock-absorbing front suspension for a smooth ride on various terrains.

Image 1.1: The RCB RK15 Electric Bicycle, highlighting its overall design and features.
2. Sicherheitshinweise
Ihre Sicherheit hat oberste Priorität. Tragen Sie beim Fahren stets einen Helm und die entsprechende Schutzausrüstung. Beachten Sie die örtlichen Verkehrsregeln und -vorschriften.
- Check vor der Fahrt: Before each ride, inspect tires for proper inflation and wear, check brake functionality, ensure all bolts and quick releases are tightened, and verify battery charge level.
- Bremsen: The RK15 is equipped with mechanical disc brakes on both front and rear wheels for reliable stopping power. Practice braking in a safe area to understand their response.
- Sichtweite: The e-bike includes LED headlights for night riding. Consider additional reflective gear, especially when riding in low-light conditions.
- Geschwindigkeit: The maximum assisted speed is 25 km/h. Always ride at a speed appropriate for conditions and your skill level.
- Wetterbedingungen: Bei Fahrten auf nasser oder rutschiger Fahrbahn ist besondere Vorsicht geboten, da sich der Bremsweg verlängern kann.
3. Komponenten vorbeiview
Familiarize yourself with the main components of your RCB RK15 Electric Bicycle:
- Rahmen: Durable aluminum frame.
- Motor: Powerful 250W brushless geared motor, providing assistance up to 25 km/h.

Abbildung 3.1: Detailansicht view des 250-Watt-Leistungsmotors.
- Batterie: Detachable 36V 12Ah Li-ion battery with BMS for power saving and ultra-long life.

Image 3.2: The large, detachable battery pack.
- Anzeige: LCD Smart Display showing ODO (total mileage), TIME (single boot time), VOL (battery voltage), and TRIP (single mileage).

Image 3.3: The LCD Smart Display on the handlebars.
- Reifen: 26-inch wear-resistant and puncture-resistant tires with excellent anti-slip function, suitable for all-terrain.

Image 3.4: The 26-inch wear-resistant tires in action.
- Suspension: High shock absorption front suspension fork for comfortable riding on different road surfaces.

Image 3.5: The front suspension system.
- Getriebe: 7-speed gear transmission system.
- Bremsen: Mechanische Scheibenbremsen (vorne und hinten).
4. Aufbau und Montage
The RCB RK15 Electric Bicycle comes 85% pre-assembled. The remaining assembly typically involves attaching the front wheel, handlebars, pedals, and seat. A detailed assembly video is available on the product page where you purchased the bicycle, which can guide you through the process step-by-step.
Wichtigste Montageschritte:
- Carefully unpack all components and check against the packing list.
- Attach the front wheel, ensuring it is properly seated and secured.
- Install the handlebars, making sure they are aligned and tightened.
- Attach the pedals (note: left and right pedals are distinct).
- Insert and adjust the seat post to a comfortable riding height.
- Perform a thorough safety check as outlined in Section 2 before your first ride.
5. Bedienungsanleitung
Understanding how to operate your e-bike's features will enhance your riding experience.
5.1 Battery Charging and Management
- The battery is removable for convenient charging. To remove, unlock it with the provided key and slide it out.
- Connect the charger to the battery and then to a power outlet. The charging indicator on the charger will show the charging status.
- A full charge can provide a range of 35 to 90 km, depending on terrain, rider weight, and assistance level.
- Always ensure the battery is securely locked in place before riding.
5.2 Fahrmodi
The RK15 offers three riding modes to adapt to different travel needs:
- Cruise-Modus: Provides continuous motor assistance without pedaling.
- Pedalunterstützungsmodus: Der Motor bietet Unterstützung beim Treten in die Pedale, wobei die Unterstützungsstufen unterschiedlich sind.
- Fixed Speed Cruise Mode: Maintains a set speed without continuous input.
5.3 LCD Smart Display Usage
Das LCD-Display liefert Echtzeitinformationen:
- ODO: Gesamtkilometerstand.
- ZEIT: Dauer der aktuellen Fahrt.
- LAUTSTÄRKE: Aktuelle Batterievoltage.
- AUSFLUG: Mileage for the current trip (can be reset).
Refer to the display's specific instructions for navigating menus and adjusting settings.
5.4 Gangwechsel
The 7-speed gear system allows you to adjust pedaling effort for different inclines and speeds. Shift gears smoothly by pedaling lightly while operating the shifter. Avoid shifting under heavy load.
6. Wartung
Regelmäßige Wartung gewährleistet die Langlebigkeit und den sicheren Betrieb Ihres E-Bikes.
- Reinigung: Reinigen Sie Ihr E-Bike regelmäßig mitamp Textilien. Vermeiden Sie es, elektrische Bauteile direkt mit Hochdruck zu reinigen.
- Reifen: Maintain recommended tire pressure. Check for punctures or excessive wear regularly.
- Bremsen: Inspect brake pads for wear and replace as needed. Ensure brake levers have proper tension and responsiveness.
- Kette: Um reibungslose Gangwechsel zu gewährleisten und Rost vorzubeugen, sollte die Kette sauber und geschmiert gehalten werden.
- Batteriepflege: Bewahren Sie den Akku an einem kühlen, trockenen Ort auf. Bei längerer Lagerung sollte er alle paar Monate auf etwa 50–70 % aufgeladen werden.
- Befestigungsmaterial: Überprüfen Sie regelmäßig alle Schrauben, Muttern und Schnellspanner auf festen Sitz.
7. Fehlerbehebung
In diesem Abschnitt werden häufig auftretende Probleme behandelt.
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Motor unterstützt nicht | Low battery; loose connection; sensor issue | Charge battery; check all cable connections; consult support if issue persists |
| Die Bremsen fühlen sich schwammig an | Cable stretch; worn pads | Adjust cable tension; replace brake pads |
| Die Gänge lassen sich nicht reibungslos schalten | Dirty chain; misaligned derailleur; stretched cable | Clean and lubricate chain; adjust derailleur; replace cable if necessary |
| Display lässt sich nicht einschalten | Battery not connected; power button not pressed; display fault | Ensure battery is seated; press and hold power button; contact support |
Sollten hier nicht aufgeführte Probleme auftreten oder die beschriebenen Lösungen das Problem nicht beheben, wenden Sie sich bitte an den Kundendienst.
8. Spezifikationen
Detailed specifications for the RCB RK15 Electric Bicycle:
| Besonderheit | Spezifikation |
|---|---|
| Modell | RK15 |
| Marke | RCB |
| Fahrradtyp | Elektrofahrrad |
| Altersspanne | Erwachsene |
| Farbe | Blau |
| Rahmenmaterial | Aluminium |
| Radgröße | 26 Zoll |
| Motorleistung | 250 Watt |
| Anzahl der Geschwindigkeiten | 7 |
| Bremsen | Disc (Mechanical) |
| Federungstyp | Front Fork Suspension (Double Suspension) |
| Batterie | 1 x 12V (included) - 36V 12Ah Li-ion |
| Maximalgeschwindigkeit | 25 km/h |
| Reichweite | 35-90 km (je nach Bedingungen) |
| Produktabmessungen (L x B x H) | 183 x 63 x 107 cm |
| Produktgewicht | 23.3 kg |
| Im Lieferumfang enthaltene Komponenten | Gas cartridge, Charger, Lock |

Image 8.1: Dimensional diagram of the RCB RK15 Electric Bicycle.
9. Garantie und Support
For any questions regarding your RCB RK15 Electric Bicycle, including assembly, operation, or troubleshooting, please do not hesitate to contact our customer support. Refer to your purchase documentation for specific warranty terms and contact information.
We are committed to providing you with a satisfying experience with your RCB e-bike.