VEVOR CT903L

VEVOR CT903L Bike Cargo Trailer Instruction Manual

Model: CT903L

Introduction

This manual provides detailed instructions for the assembly, operation, and maintenance of your VEVOR Bike Cargo Trailer. Please read this manual thoroughly before use to ensure safe and efficient operation. Retain this manual for future reference.

Safety Information

  • Always ensure the trailer is securely attached to the bicycle before riding.
  • Do not exceed the maximum load capacity of 160 lbs (72.5 kg).
  • Distribute cargo evenly to maintain stability.
  • Regularly check tire pressure and condition.
  • Ensure all reflectors are clean and visible, especially during low-light conditions.
  • This trailer is designed for cargo transport only. It is not suitable for transporting pets or children.
  • Adjust your riding style to account for the added weight and length of the trailer.
  • Avoid sharp turns or sudden braking when towing a loaded trailer.

Package Contents

Upon opening the package, verify that all components are present and undamaged.

  • 1 x VEVOR Bike Cargo Trailer (Main Frame, Wheels, Hitch Arm)
  • 1 x Universal Hitch Connector
  • Assembly Toolkit (if included)
VEVOR Bike Cargo Trailer main view

Image: The VEVOR Bike Cargo Trailer in its assembled state, showing the main frame, wheels, and hitch arm.

Setup and Assembly

Follow these steps to assemble your VEVOR Bike Cargo Trailer.

1. Unfolding the Trailer Frame

Carefully remove the trailer frame from its packaging. Unfold the main frame components until they lock into their open position. Ensure all locking mechanisms are engaged securely.

Trailer in folded and unfolded states

Image: Illustration showing the trailer in its compact folded state and its fully assembled, unfolded state, highlighting the quick-release mechanism for setup.

2. Attaching the Wheels

Insert the wheel axles into the designated slots on the trailer frame. Secure them using the provided quick-release pins or locking mechanisms. Ensure the wheels spin freely and are firmly attached.

Close-up of wheel attachment

Image: A close-up view demonstrating the attachment point for the trailer wheel to the main frame, showing the axle and securing mechanism.

Trailer wheel with reflector

Image: A detailed view of the 16-inch trailer wheel, featuring a prominent orange reflector for enhanced visibility.

3. Installing the Hitch Arm

Attach the hitch arm to the front of the trailer frame. Secure it with the appropriate fasteners. The hitch arm should be oriented correctly to connect to your bicycle's rear axle.

Trailer hitch arm connection

Image: A close-up of the trailer's hitch arm, showing its connection point to the main trailer body and the spring-loaded mechanism for attachment to a bicycle.

4. Attaching to Bicycle

The universal hitch connector attaches to the rear axle of your bicycle. Once the connector is installed on your bike, the trailer's hitch arm can be quickly attached and detached using its pin quick-release structure. Ensure a secure connection before each ride.

Trailer attached to bicycle

Image: The VEVOR Bike Cargo Trailer securely attached to the rear of a bicycle, ready for transport.

Operating Instructions

Loading Cargo

The trailer has a maximum load capacity of 160 lbs (72.5 kg). Distribute the weight evenly across the trailer bed to maintain balance and stability during transit. Secure all cargo with straps or netting to prevent shifting or falling out.

Trailer loaded with cargo

Image: The bike cargo trailer loaded with various items, demonstrating its capacity for transporting goods.

Compatibility

This trailer is compatible with bicycles having wheel sizes ranging from 22 to 28 inches. It can be used with recreational bikes, children's bikes, mountain bikes, and highway bikes.

Multi-bike compatibility illustration

Image: An illustration showing the VEVOR Bike Cargo Trailer attached to different types of bicycles, including MTB, City Bike, and Road Bike, highlighting its versatility.

Folding for Storage

For compact storage or transport, the trailer can be easily folded. Disengage the quick-release pins and collapse the frame as shown in the assembly section. Remove the wheels for an even more compact form.

Maintenance

  • Tires: Regularly check tire pressure. The recommended pressure is typically indicated on the tire sidewall. Inspect tires for wear, punctures, or damage.
  • Frame: Clean the carbon steel frame with a damp cloth. The powder-coated surface is designed for rust resistance, but regular cleaning helps maintain its condition.
  • Hitch Mechanism: Ensure the hitch mechanism is clean and free of debris. Lubricate moving parts periodically to ensure smooth operation.
  • Reflectors: Keep all reflectors clean and unobstructed for maximum visibility.
  • Fasteners: Periodically check all bolts, nuts, and quick-release mechanisms to ensure they are tight and secure.
Reinforced tires for off-road confidence

Image: A close-up view of the reinforced 16 x 1.75 inch double-lined inflatable rubber tire with an iron hub, designed for stable performance on various terrains.

Weatherproof and lightweight carbon steel frame

Image: An illustration highlighting the one-piece molded carbon steel frame for stability and light weight, and its powder-coated surface for rust resistance, shown in a rainy environment.

Troubleshooting

ProblemPossible CauseSolution
Trailer wobbles or feels unstable.Uneven cargo distribution, loose hitch connection, low tire pressure.Redistribute cargo evenly. Ensure hitch is securely fastened. Check and inflate tires to recommended pressure.
Difficulty attaching/detaching hitch.Debris in mechanism, misaligned components, lack of lubrication.Clean the hitch mechanism. Ensure proper alignment. Apply a small amount of lubricant if necessary.
Wheels do not spin freely.Axle not fully inserted, debris in axle area, damaged bearing.Ensure axles are fully seated and secured. Clean any debris. Inspect bearings for damage; contact support if necessary.

Specifications

FeatureDetail
Item Model NumberCT903L
Mounting PositionRear Axle
Max Load Capacity160 lbs / 72.5 kg
Frame MaterialCarbon Steel, Round Tube (Size: Φ22.5 + Φ25.5 mm)
Transport Box Size28 x 20.3 x 11.8 inches / 710 x 515 x 300 mm
Compatible Bike Wheel Size22-28 inches / 558.8-711.2 mm
MaterialCarbon Steel + PE
Product Weight28.66 lbs / 13 kg
Product Size (Trailer State)55.51 x 28.74 x 21.65 inches / 1410 x 730 x 550 mm
Product Size (Folded State)29.92 x 23.43 x 7.28 inches / 760 x 595 x 185 mm
Wheel Size16 x 1.75 inches
Detailed specifications and dimensions of the VEVOR Bike Cargo Trailer

Image: A graphic displaying key specifications and dimensions of the VEVOR Bike Cargo Trailer, including folded and unfolded sizes, and wheel details.

Warranty and Support

For warranty information or technical support, please refer to the VEVOR official website or contact their customer service directly. Keep your purchase receipt for any warranty claims.

Visit: www.vevor.com/support

© 2025 VEVOR. All rights reserved.

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