1. Introduction
The Hamax Outback is a versatile multi-sport child trailer and stroller designed for various family activities. It features superior all-terrain suspension, an aerodynamic design, and all-weather protection to ensure a comfortable and safe ride for children. With spacious storage, premium reclining seats, and easily adjustable features, the Outback offers a practical solution for active families. This manual provides essential instructions for assembly, operation, maintenance, and safety.
2. Safety Guidelines
Prioritize safety by adhering to all instructions and guidelines. Always ensure children are properly secured and the trailer is correctly configured for the intended activity.
- 5-Point Safety Harness: Always secure children using the integrated 5-point safety harness. Ensure straps are snug but comfortable.
- Reflective Elements: The trailer is equipped with reflectors and reflective piping for enhanced visibility in traffic, especially during low-light conditions.
- Safety Flag: When using the trailer in bike mode, always insert the safety flag into its designated slot to increase visibility to others.
- Maximum Weight/Height: Do not exceed the maximum weight recommendation of 88 pounds or a maximum child height of 46 inches.

Image: The interior of the Hamax Outback, highlighting the two reclining seats and the 5-point safety harnesses for secure child restraint.
3. Assembly and Setup
The Hamax Outback is designed for straightforward assembly. Follow these steps to prepare your trailer for use.
3.1 Unpacking and Initial Assembly
- Unpack all components from the trailer.
- Attach the main wheels by inserting them into the axle until they click into place.
- Mount the side reflectors by fastening the two screws from the inside.
3.2 Unfolding the Trailer
- Ensure the parking brake is engaged.
- With the push bar in a released position, pull the two straps located inside the trailer.
- Push the two buttons with your thumbs and push the frame towards the ground until it locks into the unfolded position.
3.3 Attaching the Stroller Wheel
- Locate the stroller wheel.
- Insert the stroller wheel into the front attachment point until it securely locks.
Video: Hamax Outback Assembly. This video provides a visual guide for assembling the Hamax Outback, including attaching wheels and unfolding the trailer.
4. Operating Modes
The Hamax Outback offers multiple modes to suit your family's adventures.
4.1 Stroller Mode
For walking and casual outings, attach the stroller wheel to the front of the trailer. The adjustable ergonomic handlebar ensures comfortable pushing for parents of varying heights.

Image: The Hamax Outback in stroller configuration, showcasing its sleek design and spacious cabin.
4.2 Bike Trailer Mode
To convert to bike trailer mode, remove the stroller wheel and attach the bicycle arm. Ensure the green area on the attachment point is visible, indicating a secure connection. Always fasten the safety strap from the bicycle arm to your bicycle's frame for added security. Insert the safety flag for increased visibility.

Image: This composite image illustrates the versatility of the Hamax Outback, transitioning between stroller, bike trailer, jogger (optional kit), and ski trailer (optional kit) modes.
4.3 Optional Jogger and Ski Kits
Expand your adventures with separately sold jogger and ski conversion kits. These kits allow for easy conversion to jogging or cross-country skiing activities.
Video: Tyler & Tracy's Hamax Outback Story. This video showcases a family using the Hamax Outback in various settings, demonstrating its ease of use and versatility as a stroller, jogger, and bike trailer.
Video: 360 View: Hamax Outback Child Bike Trailer-Stroller-Jogger. A 360-degree view of the Hamax Outback, illustrating its transformation between child bike trailer, stroller, and jogger (jogger wheel sold separately) configurations.
5. Features Overview
The Hamax Outback is equipped with several features designed for comfort, convenience, and safety.
- Three-Layer Cover: The front cover includes a mesh screen for ventilation, a transparent rain cover for weather protection, and a sunshade. These layers can be stored in the top pocket when not in use.
- All-Terrain Adjustable Suspension: The suspension system is easily adjustable without tools, providing a smooth ride across various terrains.
- Premium Reclining Seats: Features three recline positions, contoured padding, and adjustable headrests for child comfort. Fabrics are removable for easy cleaning.
- Roomy Cabin Area & XL Cargo Space: Offers ample room for children, helmets, and personal items. The rear storage area is spacious and can fit several items.
- Adjustable Ergonomic Handlebar: Provides comfortable handling for users of different heights.
- Convenient Safety Brake: A foot-operated parking brake ensures the trailer remains stationary when needed.
- Folds Flat for Storage: Quick-release wheels and a foldable frame allow for easy storage and transport.

Image: A visual breakdown of the Outback's core features, including its protective cover system, adjustable suspension for varied terrains, and seamless conversion between activities.

Image: This image displays the rear of the trailer, emphasizing its practical design with a large storage area, an adjustable handlebar for user comfort, and a foot-operated safety brake.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your Hamax Outback.
- Cleaning Fabrics: The padded seats and other fabrics are removable and washable. Refer to the care labels for specific cleaning instructions.
- Wheel Inspection: Periodically check the wheels for wear and tear, and ensure they are securely attached.
- Harness Check: Regularly inspect the 5-point harness for any signs of damage or fraying.
- Storage: When not in use, store the trailer in a clean, dry place, ideally folded flat to save space.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | Hamax |
| Model Name | Hamax Outback Two Seat Reclining Multi-Sport Child Bike Trailer + Stroller (Jogger Wheel Sold Separately) |
| Model Number | HAM400073 |
| Color | Grey/Black |
| Product Dimensions (LxWxH) | 42.9"L x 33.8"W x 37.4"H |
| Frame Material | Aluminum |
| Outer Material | Polyester |
| Maximum Weight Recommendation | 88 Pounds |
| Seating Capacity | 2 |
| Maximum Height Recommendation | 37.4 Inches |
| Package Weight | 24.95 Kilograms |

Image: Detailed dimensions of the Hamax Outback, providing a clear understanding of its size in both length, width, and height.
8. Warranty Information
The Hamax Outback comes with a 3 Year Manufacturer's Warranty. Please retain your proof of purchase for any warranty claims.
9. Customer Support
For further assistance, questions, or support, please contact HamaxUSA customer service. You can find contact information on the official Hamax website or through your retailer.





