1. Introduction
This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your DEEPOWER S26 26-inch Electric Mountain Bike. Please read this manual thoroughly before your first ride and retain it for future reference. Understanding the features and proper handling of your e-bike will ensure a safe and enjoyable experience.
2. Consignes de sécurité
Always prioritize safety when operating your electric bike. Failure to follow these guidelines may result in serious injury or damage to the bike.
- Porter un casque: Portez toujours un casque de vélo homologué et bien ajusté.
- Vérification avant le départ : Before each ride, check tire pressure, brake function, battery level, and ensure all bolts and quick releases are secure.
- Respectez le code de la route : Respectez toutes les lois, panneaux et réglementations routières locales.
- Visibilité: Use the LED headlight and reflectors, especially when riding at night or in low-light conditions. Consider wearing reflective clothing.
- Conditions météorologiques : Exercise caution when riding in wet conditions, as braking distance may increase. Avoid riding in severe weather.
- Limite de poids: Ne pas dépasser la capacité de charge maximale de 330 lb (150 kg).
- Tranche d'âge : Ce vélo électrique est conçu pour les adultes.
3. Instructions de montage
Your DEEPOWER S26 electric bike comes mostly pre-assembled. The following steps detail the final assembly required before your first ride.
3.1 Déballage et identification des composants
Carefully remove the bike and all components from the packaging. Ensure all parts are present and undamaged. The package includes the bike frame, front wheel, handlebar, seat, pedals, charger, tool kit, and battery.
Vidéo: DEEPOWER S26 Electric Bike Assembly Guide. This video demonstrates the unboxing and assembly process for your electric bike.
3.2 Installation du guidon
Attach the handlebar to the stem using the provided bolts and tools. Ensure it is centered and tightened securely for safe steering.
3.3 Installation du siège
Insert the seat post into the frame's seat tube and adjust the height to a comfortable riding position. Secure it with the quick-release lever or bolt.
3.4 Brake Installation
Install the brake caliper onto the front fork. Ensure the brake pads align correctly with the rotor and tighten all bolts securely.
3.5 Installation de la roue avant
Carefully place the front wheel into the fork dropouts, ensuring the brake rotor slides into the caliper. Secure the wheel using the quick-release skewer or axle bolts. Double-check that the wheel spins freely and the brake does not rub.
3.6 Installation des pédales
Identify the left (L) and right (R) pedals. The left pedal tightens counter-clockwise, and the right pedal tightens clockwise. Thread them into the crank arms and tighten them firmly with a wrench.
3.7 Installation des phares
Mount the LED headlight to the front fork or handlebar using the provided bracket and secure it. Connect the headlight cable to the designated port on the bike.
3.8 Installation de la batterie
Slide the 48V 12.8Ah removable battery into its compartment on the bike frame. Ensure it clicks into place and is locked securely with the key. The battery can be charged directly on the bike or removed for charging.
4. Mode d'emploi
Your DEEPOWER S26 electric bike offers three riding modes and an intuitive LCD display for monitoring your ride.
4.1 Starting Up the Bike
- Install the battery first, ensuring it is securely locked.
- Turn on the key located at the handlebar.
- Press and hold the power button on the display for 2 seconds. The display will light up.
- Gently turn the throttle on the right handlebar, and the bike will start.
4.2 Modes de conduite
- Mode 100% électrique : Utilisez l'accélérateur pour vous propulser sans pédaler.
- Mode d'assistance au pédalage (PAS) : Le moteur vous assiste lorsque vous pédalez. Réglez le niveau d'assistance via l'écran.
- Mode pédale uniquement : Conduisez le vélo comme un vélo traditionnel, sans assistance électrique.
4.3 EN06 Intelligent LCD Display
The intuitive LCD display shows important information:
- Vitesse actuelle
- Niveau de batterie
- Distance Traveled (ODO)
- Pedal Assist (PAS) Gear
- Indicateurs de défaut

Image: The EN06 Intelligent LCD Display provides real-time information about your ride, including speed, battery level, and pedal assist mode.
4.4 Unlocking the Speed Limit
To unlock the maximum speed of 25 MPH (40 km/h), follow these steps:
Vidéo: How to Unlock the Speed Limit. This video demonstrates the procedure to unlock the speed limit on your DEEPOWER S26 electric bike.
- When the display is off, twist the throttle to its maximum position while simultaneously squeezing the right brake lever. Hold both.
- Turn on the display. Continue holding the throttle and brake for 5-8 seconds.
- Release the throttle and brake. The speed limit is now unlocked.
- To reach maximum speed, set the gear to the 5th gear (the highest gear) on the display.
4.5 Lockable Suspension Fork
The front suspension fork can be locked or unlocked to adapt to different terrains. Use the red dial on the fork to switch between 'LOCK' for rigid riding on smooth surfaces and 'OPEN' for shock absorption on uneven terrain.

Image: The lockable suspension fork allows you to adjust ride comfort based on terrain. Turn the dial to 'LOCK' for smooth roads or 'OPEN' for rough paths.
5. Entretien
Regular maintenance ensures the longevity and safe operation of your DEEPOWER S26 electric bike.
- Entretien de la batterie: Rechargez régulièrement la batterie, même si elle n'est pas utilisée, afin de préserver sa durée de vie. Évitez de la décharger complètement. Conservez-la dans un endroit frais et sec.
- Pression des pneus: Vérifiez la pression des pneus avant chaque sortie. Maintenez la pression recommandée (PSI) pour une performance et une sécurité optimales.
- Freins: Vérifiez régulièrement l'usure des plaquettes de frein et assurez-vous que les leviers de frein fonctionnent correctement. Ajustez ou remplacez-les au besoin.
- Chaîne: Veillez à ce que la chaîne reste propre et lubrifiée pour éviter la rouille et assurer des changements de vitesse en douceur.
- Fixations : Vérifiez périodiquement tous les boulons, écrous et attaches rapides pour vous assurer qu'ils sont serrés au couple prescrit.
- Nettoyage: Nettoyez votre vélo avec de la publicitéamp Un chiffon et du savon doux. Évitez de nettoyer directement les composants électriques à haute pression.
6. Dépannage
Voici quelques problèmes courants et leurs solutions potentielles :
| Problème | Cause possible | Solution |
|---|---|---|
| Le vélo ne s'allume pas. | Battery not installed correctly, battery low, power button not pressed. | Ensure battery is fully inserted and locked. Charge battery. Press and hold power button for 2 seconds. |
| Moteur non assisté | PAS level set to 0, throttle not engaged, brake lever engaged, motor connection loose. | Increase PAS level. Twist throttle. Release brake lever. Check motor cable connections. |
| Les freins semblent faibles. | Plaquettes de frein usées, câble de frein desserré, air dans le système hydraulique (le cas échéant). | Inspectez et remplacez les plaquettes de frein. Ajustez la tension du câble de frein. Consultez un professionnel en cas de problème avec le système de freinage hydraulique. |
| Bruits inhabituels | Pièces desserrées, chaîne sèche, freins qui frottent. | Check all fasteners. Lubricate chain. Adjust brake caliper or rotor. |
7. Spécifications
Key technical specifications for the DEEPOWER S26 Electric Mountain Bike:
- Moteur: Moteur sans balais de 500 W
- Batterie: Batterie au lithium amovible 48 V 12.8 Ah
- Vitesse maximale : 25 MPH (after unlocking speed limit)
- Pente maximale : 30 degrés
- Couple: 50-60 milles marins
- Temps de charge : 5-6 heures
- Autonomie (mode tout électrique) : 25 à 30 milles
- Autonomie (mode assistance au pédalage) : 45 à 56 milles
- Taille de la roue: 26 pouces
- Pneus: 26" x 1.95 Double Layer Multi-terrain Tires
- Engrenages : 21-Speed Transmission System
- Freins: Freins à disque mécaniques avant et arrière
- Suspension: Fourche de suspension avant verrouillable
- Matériau du cadre : Alliage d'aluminium
- Poids de l'article : 22 kg (48.5 lb)
- Capacité de charge maximale: 330 livres
- Hauteur recommandée: 5.2 - 6.1 pieds
- Composants inclus : Trousse à outils

Image: Frame dimensions and recommended rider height for the DEEPOWER S26 electric bike.
8. Garantie et assistance
DEEPOWER provides a one-year warranty service for free replacement of damaged parts such as the battery, motor, and controller. For any questions, technical support, or warranty claims, please contact DEEPOWER customer service through your purchase platform or the official DEEPOWER website.