1. Úvod
Welcome to the user manual for your new Gotrax Dolphin 26" Electric Bike. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
The Gotrax Dolphin Electric Bike is designed for urban commuting and recreational riding, offering a blend of traditional cycling and electric assistance. It features a robust aluminum frame, a powerful motor, and multiple pedal-assist levels to enhance your riding experience. This product is UL2849 safety certified, ensuring adherence to high safety standards.
2. Bezpečnostní informace
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Adhere to all local traffic laws and regulations. Perform a pre-ride inspection before each use, checking tire pressure, brake functionality, and battery charge level.
The Gotrax Dolphin Electric Bike is UL2849 certified, indicating compliance with electrical system safety standards for electric bicycles. However, this certification does not negate the importance of safe riding practices and regular maintenance.
For detailed safety guidelines and warnings, please refer to the official user manual PDF provided with your product or available for download from the Gotrax webmísto.
3. Obsah balení
Upon unboxing, please verify that all components are present and undamaged. The standard package for the Gotrax Dolphin 26" Electric Bike typically includes:
- Gotrax Dolphin Electric Bike (partially assembled)
- Vyjímatelná baterie
- Nabíječka baterií
- Sada nářadí pro montáž
- User Manual (this document and/or PDF)
- Reflektory
If any items are missing or damaged, please contact Gotrax customer support immediately.
4. Nastavení a montáž
The Gotrax Dolphin Electric Bike arrives mostly pre-assembled. The primary assembly steps involve attaching the front wheel, handlebars, pedals, and seat. Clear instructions and necessary tools are provided to facilitate this process.

Figure 4.1: Key components of the Gotrax Dolphin Electric Bike.
Sestavení krok za krokem:
- Opatrně vyjměte kolo a všechny jeho součásti z obalu.
- Attach the front wheel to the front fork, ensuring the quick-release skewer is securely fastened.
- Insert the handlebar stem into the fork tube and tighten the bolts. Adjust the handlebar angle for comfort.
- Attach the pedals. Note that pedals are typically marked 'L' for left and 'R' for right, and have different threading.
- Insert the seat post into the frame and adjust the seat height to your preference, ensuring the quick-release clamp je utažený.
- Install the front and rear reflectors as per local regulations.
- Ensure all bolts and fasteners are securely tightened before your first ride.

Figure 4.2: Fully assembled Gotrax Dolphin Electric Bike.
5. Návod k obsluze
The Gotrax Dolphin Electric Bike offers versatile riding options with its electric motor and traditional bicycle components.
5.1 Jízdní režimy
Your e-bike supports three distinct riding modes:
- Čistě elektrický režim: Engage the throttle for motor-only propulsion. This mode allows for effortless cruising without pedaling.
- Režim pedálového asistenta: The motor provides assistance as you pedal. This mode offers 5 different speed levels, allowing you to customize the level of assistance based on terrain and desired effort.
- Normální režim na kole: Ride the bike like a traditional bicycle, with no motor assistance.

Figure 5.1: Performance metrics of the Gotrax Dolphin Electric Bike.
5.2 Režim zesílení
For an extra push, especially when starting or going uphill, utilize the Boost Mode. Press and hold the designated button for 2-3 seconds to activate a 6 Km/h (3.7 mph) boost. Press any button to exit this mode.

Figure 5.2: Activating Boost Mode for easier uphill travel.
5.3 Převodový systém
The bike is equipped with a Shimano 7-speed gear system, allowing you to adjust your pedaling effort for various terrains. Selecting a lower gear minimizes strain on your legs, particularly on inclines.

Figure 5.3: The 7-speed gear system for versatile riding.
5.4 Baterie a nabíjení
The 280.8Wh removable battery provides a range of up to 15.5 miles in pure electric mode and over 30 miles in pedal-assist mode 1. A full charge takes approximately 5.5 hours. The removable design allows for convenient charging both on and off the bike.

Figure 5.4: Removable battery for flexible charging.
6. Údržba
Regular maintenance is crucial for the longevity and safe operation of your Gotrax Dolphin Electric Bike.
6.1 Obecná péče
- Čištění: Otřete kolo reklamouamp Po každé jízdě očistěte hadříkem. Nepoužívejte vysokotlaké vodní trysky přímo na elektrické součásti.
- Skladování: Kolo skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot. Pokud jej skladujete delší dobu, ujistěte se, že je baterie nabitá na 50–70 %.
6.2 Kontroly součástí
- pneumatiky: Před každou jízdou zkontrolujte tlak v pneumatikách. Doporučený tlak je obvykle uveden na bočnici pneumatiky.
- brzdy: Regularly inspect brake pads for wear and ensure brake levers provide firm and responsive stopping power. The bike features dual disc brakes for enhanced stopping ability.
- Řetěz: Udržujte řetěz čistý a mazaný, abyste zajistili plynulé řazení a zabránili předčasnému opotřebení.
- Spojovací materiál: Periodically check all bolts and nuts for tightness, especially on critical components like handlebars, wheels, and seat.
7. Řešení problémů
This section addresses common issues you might encounter with your Gotrax Dolphin Electric Bike. For more complex problems, please consult the official user manual or contact customer support.
| Problém | Možná příčina | Řešení |
|---|---|---|
| Kolo se nezapne. | Baterie není nabitá nebo není správně usazená. | Ensure battery is fully charged and securely inserted into the frame. Check power button. |
| Motor not engaging in electric or pedal-assist mode. | Throttle or pedal-assist sensor issue; brake levers engaged. | Ensure brake levers are fully released. Check connections to throttle/sensor. Restart the bike. |
| Brzdy jsou slabé nebo vydávají hluk. | Worn brake pads; misaligned calipers. | Inspect brake pads for wear and replace if necessary. Adjust brake caliper alignment. |
| Neobvyklé zvuky během provozu. | Loose components; dry chain; motor issue. | Check all fasteners. Lubricate the chain. If noise persists, seek professional assistance. |
8. Specifikace
Below are the technical specifications for the Gotrax Dolphin 26" Electric Bike:
| Funkce | Specifikace |
|---|---|
| Typ kola | Městské kolo, Elektrokolo |
| Věkové rozmezí (popis) | Mládež, dospělý |
| Značka | Gotrax |
| Počet rychlostí | 7 |
| Barva | Černý |
| Velikost kola | 26 palce |
| Materiál rámu | Hliník + ABS |
| Typ odpružení | Front Shock Absorbing Fork |
| Speciální funkce | 20Mph Max Speed, 30 Miles Max Range (Pedal-assist1), 5 Pedal-Assist Levels, Shimano 7-Speed, Three Cycling Modes |
| Zahrnuté komponenty | Reflektory |
| Velikost | 26 palců |
| Styl brzdy | Dvojitá kotoučová brzda |
| Hmotnost položky | 22.2 kg |
| Styl | 350w Black |
| Název modelu | Delfín |
| Zdroj napájení | dobíjecí baterie |
| Wattage | 350 wattů |
| Materiál kola | Hliník |
| Energetický obsah lithiové baterie | 280.8 W hodin |
| Typ materiálu sedadla | Vinyl |
| Typ záruky | 365 dní |
| Doporučená maximální hmotnost | 264 libry |
| Montáž Vyžadována | Ano |
| Typ řadicí páky na kolo | Spoušť |
| Počet úchytů | 2 |
| Minimální výška uživatele | 5.2 stop |
| Materiál blatníku | Hliník |
| UPC | 810132393570 |
| Typ pohonu jízdního kola | Řetěz |
| Typ elektrické asistence | Pedal-Assist and Throttle-on-Demand |
| Výrobce | ZHE JIANG TAOTAO VEHICLES CO.,LTD |
| Položka Rozměry balení d x š x v | 56.7 x 29.99 x 9.4 palce |
| Hmotnost balení | 24.27 kg |
| Rozměry položky DxŠxV | 70.1 x 27.2 x 46.1 palce |
| Název značky | Gotrax |
| Popis záruky | 365 dní |
| Materiál | Hliník |
| Doporučení uživatelé | unisex-dospělý |
| Číslo dílu | Endura-001 |
| ASIN | B0CG96T4MC |
| Datum první dostupnosti | 22. srpna 2023 |

Figure 8.1: Gotrax Dolphin Electric Bike dimensions and weight specifications.
9. Záruka a podpora
Gotrax provides a 365-day part assurance for your Dolphin Electric Bike. If you encounter any issues or require assistance, please contact Gotrax customer support. We are committed to providing satisfactory after-sales service.
For further support and to explore other Gotrax products, visit the official Obchod Gotrax na Amazonu.