SAMEBIKE YINYU14-II

SAMEBIKE YINYU14-II Electric Folding Bicycle User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your SAMEBIKE YINYU14-II electric folding bicycle. Please read this manual thoroughly before your first ride and keep it for future reference.

SAMEBIKE YINYU14-II Electric Folding Bicycle

Figure 1.1: The SAMEBIKE YINYU14-II Electric Folding Bicycle.

2. Product Features

2.1. Folding Design

The YINYU14-II features a convenient folding mechanism, allowing for easy storage and portability. This design makes it ideal for commuting, travel, or storing in compact spaces like car trunks or small apartments.

Folded SAMEBIKE YINYU14-II next to a person at a train station

Figure 2.1: The bicycle's foldable design enhances portability.

Folded SAMEBIKE YINYU14-II in a car trunk

Figure 2.2: The compact folded size allows for easy transport in vehicles.

2.2. Battery System

Equipped with a 36V 7.8Ah Lithium-Ion battery, the YINYU14-II offers a pure electric range of approximately 30KM and a pedal-assist range of over 60KM. A full charge typically takes 4-6 hours.

Close-up of the SAMEBIKE YINYU14-II's integrated battery

Figure 2.3: The 36V 7.8Ah Lithium-Ion battery provides extended range.

2.3. Braking System

The bicycle features upgraded front and rear Φ160mm dual disc brakes, providing reliable and strong stopping power for enhanced safety.

Close-up of the mechanical disc brake on the SAMEBIKE YINYU14-II

Figure 2.4: Mechanical disc brakes ensure effective stopping.

Detailed view of the steel wire dual braking system

Figure 2.5: The 160mm diameter perforated brake discs provide great braking power.

2.4. Display and Controls

An intuitive LCD display provides real-time information such as speed, mileage (TRIP/ODO), and battery level. The handlebars include controls for the light switch, horn, and turn signals.

LCD display and handlebar controls of the SAMEBIKE YINYU14-II

Figure 2.6: The LCD display and handlebar controls for easy operation.

Close-up of the handlebar showing the display and throttle

Figure 2.7: The LED display clearly shows the battery level and other riding data.

2.5. Tires and Wheels

The bicycle is equipped with 14 x 2.15-inch tires, suitable for various road conditions, providing a stable and comfortable ride.

Close-up of the 14-inch tire on the SAMEBIKE YINYU14-II

Figure 2.8: The 14-inch tires are designed for versatility across different terrains.

2.6. Safety Lighting System

For enhanced visibility and safety, the bike includes a front-mounted 250 lumen LED light and an eye-catching brake tail light.

Close-up of the front LED headlight and rear brake light

Figure 2.9: The integrated safety lighting system for night riding.

3. Setup and Assembly

Your SAMEBIKE YINYU14-II comes over 90% pre-assembled. Follow these steps for final assembly:

  1. Carefully remove the bicycle and all components from the packaging.
  2. Unfold the bicycle frame and secure the folding mechanism latch.
  3. Install the handlebars and adjust their height to a comfortable position.
  4. Attach the pedals (note L/R markings).
  5. Adjust the seat post height for proper leg extension.
  6. Ensure all quick releases and bolts are securely tightened before riding.
SAMEBIKE YINYU14-II product packaging box

Figure 3.1: The product packaging, indicating the model number YINYU14-II.

4. Operating Instructions

4.1. Charging the Battery

  • Locate the charging port on the battery.
  • Connect the charger to the port, then plug the charger into a standard wall outlet.
  • The charger indicator light will show charging status (typically red for charging, green for full).
  • Disconnect the charger once charging is complete.

4.2. Riding Modes

The SAMEBIKE YINYU14-II offers three riding modes:

  • Riding Mode (Pedal Only): Ride the bicycle like a traditional bike without electric assistance.
  • Pedal Power Assisted Mode (PAS): The motor provides assistance as you pedal. There are three adjustable levels of power assistance.
  • Pure Electric Mode: Use the throttle to propel the bike without pedaling.

4.3. Starting and Stopping

  • To Start: Turn the key switch to the 'ON' position. The LCD display will illuminate. For pure electric mode, gently twist the accelerator handle. For PAS mode, begin pedaling.
  • To Stop: Apply the front and rear disc brakes smoothly and evenly. Release the throttle when braking.

4.4. Adjustments

  • Handlebar Height: Loosen the quick release lever on the handlebar stem, adjust to desired height, and re-secure.
  • Seat Height: Loosen the quick release lever on the seat post, adjust to desired height, and re-secure. Ensure your feet can comfortably touch the ground when stopped.

5. Maintenance

Regular maintenance ensures the longevity and safe operation of your electric bicycle.

5.1. Battery Care

  • Charge the battery regularly, even if not in use, to maintain its health.
  • Avoid fully discharging the battery.
  • Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.

5.2. Tire Care

  • Check tire pressure before each ride. Maintain pressure within the recommended range (usually printed on the tire sidewall).
  • Inspect tires for wear, cuts, or punctures regularly.

5.3. Brake Maintenance

  • Regularly inspect brake pads for wear and replace them when necessary.
  • Ensure brake levers are firm and responsive. Adjust cable tension if needed.
  • Keep brake discs clean and free of oil or grease.

5.4. General Cleaning

  • Clean the bicycle with a damp cloth and mild soap. Avoid using high-pressure washers directly on electrical components.
  • Lubricate the chain regularly with bicycle chain lubricant.

6. Troubleshooting

Refer to the table below for common issues and their potential solutions.

ProblemPossible CauseSolution
Bike not turning onBattery not charged; Key switch off; Loose battery connectionCharge battery; Turn key switch on; Check battery connection
Short riding rangeLow tire pressure; Battery degradation; Excessive load; Frequent uphill ridingInflate tires to correct pressure; Consult customer support for battery check; Reduce load; Use PAS mode more
Brakes not effectiveWorn brake pads; Loose brake cable; Contaminated brake discsReplace brake pads; Adjust brake cable tension; Clean brake discs with alcohol
Motor not assistingPAS level too low; Sensor issue; Motor connection issueIncrease PAS level on display; Check all electrical connections; Contact customer support

7. Specifications

Key technical specifications for the SAMEBIKE YINYU14-II electric folding bicycle:

FeatureSpecification
Model NumberYINYU14-II
Bike TypeElectric Folding Bike
Wheel Size14 Inches
Motor Power250W (High-speed brushless)
Max Speed25 KM/H
Battery36V 7.8Ah Lithium-Ion
Pure Electric RangeApprox. 30 KM
Pedal-Assist RangeOver 60 KM
Charging Time4-6 Hours
Brake TypeFront & Rear Disc Brakes (Φ160mm)
Frame MaterialCarbon Steel
Max Load Capacity120 KG (265 lbs)
Bicycle WeightApprox. 21 KG (46.2 lbs)
Recommended Rider Height1.3 - 1.8 M (4'3" - 5'11")
DisplayLCD Digital Display
Product dimensions diagram for SAMEBIKE YINYU14-II

Figure 7.1: Detailed product dimensions and recommended rider height.

8. Warranty and Support

SAMEBIKE is dedicated to providing comprehensive after-sales service. For any issues, warranty claims, or technical support, please contact SAMEBIKE customer service through the retailer or the official SAMEBIKE website. Please retain your proof of purchase for warranty validation.