1. Introduction
The Radio Flyer 4-in-1 Stroll 'N Trike is a versatile ride-on toy designed to adapt as your child grows, offering four distinct modes of use. This trike is suitable for children aged 1 to 5 years and supports a maximum weight capacity of 49 lbs. Constructed with a sturdy steel frame and featuring an adjustable seat, it is built for durability and long-lasting use.
Key Features:
- 4-in-1 Design: Easily converts between infant trike, steering trike, learn-to-ride trike, and classic trike modes.
- Removable Accessories: Includes an adjustable UV protection canopy, wrap-around tray, headrest, 3-point harness, footrest, and parent push handle, all designed for easy removal as your child progresses.
- Outdoor Use: Equipped with high-density foam tires for a quiet and smooth ride on various outdoor surfaces.
- Parent-Controlled Steering: The height-adjustable parent push handle allows for easy control and steering, and is removable for independent riders.
- Comfort & Safety: Features a comfort seat pad and a 3-point harness with headrest for enhanced safety and comfort.
- Storage: Includes a rear storage basket for carrying essentials.
2. Safety Information
Please read and understand all safety instructions before assembly and use of the Radio Flyer 4-in-1 Stroll 'N Trike. Failure to follow these instructions may result in serious injury.
- Adult Supervision: Always ensure an adult supervises the child during use.
- Age and Weight Limits: Suitable for ages 1 to 5 years. Do not exceed the maximum weight capacity of 49 lbs (22.2 kg).
- Harness Use: Always secure your child with the 3-point harness, especially in infant and steering trike modes. Ensure the harness is properly adjusted and fastened.
- Footrest: Use the footrest for younger children who cannot reach the pedals. Remove it when the child is ready to pedal independently.
- Canopy: The UV protection canopy helps shield your child from the sun. Ensure it is securely attached when in use.
- Terrain: While designed for outdoor use with high-density foam tires, avoid using on steep inclines, uneven surfaces, or near traffic.
- Assembly: Ensure all parts are correctly assembled and securely fastened before each use. Regularly check for loose parts or damage.
- Accessories: Only use accessories provided or approved by Radio Flyer.
Refer to the "Please read inside safety instructions" for additional detailed safety guidelines.
3. Assembly
The Radio Flyer 4-in-1 Stroll 'N Trike requires some assembly. While many accessories can be removed without tools, initial setup will involve attaching various components.
General Assembly Steps:
- Unpack all components from the box. Verify all parts are present according to the packing list.
- Attach the main frame components as per the included visual guide.
- Install the wheels, ensuring they are securely fastened.
- Attach the seat and backrest. Secure the 3-point harness.
- For initial use with younger children, attach the footrest, wrap-around tray, and parent push handle.
- Install the adjustable UV protection canopy.
- Ensure all connections are tight and secure before first use.
For detailed visual instructions, please refer to the assembly video provided in the "Product Media" section.
4. Modes of Use (4-in-1 Functionality)
The Radio Flyer 4-in-1 Stroll 'N Trike is designed to grow with your child, transitioning through four stages:
- Stage 1: Infant Trike (12-18 months)
In this mode, the trike functions like a stroller. The child is secured with the 3-point harness and headrest, and their feet rest on the removable footrest. The parent controls steering and propulsion using the adjustable push handle. The UV canopy provides sun protection.
- Stage 2: Steering Trike (18-24 months)
As your child grows, they can begin to steer the handlebars while the parent maintains control with the push handle. The footrest and harness remain in place for safety and comfort.
- Stage 3: Learn-to-Ride Trike (2-3 years)
When your child is ready to start pedaling, the footrest can be removed. The parent push handle can still be used for assistance and guidance, allowing the child to practice pedaling while an adult maintains control.
- Stage 4: Classic Trike (4-5 years)
Once your child is confident in pedaling and steering independently, the parent push handle, headrest, and canopy can be removed. The trike transforms into a classic tricycle, offering full independence for riding.

Figure 1: Visual representation of the 4-in-1 functionality.
5. Operating Instructions
Using the Parent Push Handle:
The height-adjustable parent push handle provides easy control for adults. To adjust the height, locate the adjustment mechanism on the handle and secure it at the desired height. The foam grip ensures comfortable handling. This handle can be removed when the child is ready for independent riding.

Figure 2: Removing the parent push handle.
Footrest and Pedals:
For younger children, ensure the footrest is securely attached to provide a comfortable place for their feet. As your child grows and is ready to pedal, the footrest can be easily removed to allow access to the pedals.

Figure 3: Child's feet on the footrest.
Canopy Usage:
The adjustable UV protection canopy can be extended to shield your child from the sun. It can also be folded back or completely removed when not needed.

Figure 4: Adjustable UV protection canopy.
Snack Tray and Storage:
The removable wrap-around snack tray includes a cup holder, providing a convenient space for snacks and drinks. The rear storage basket offers additional space for toys or other items.

Figure 5: Comfort seat pad and harness.

Figure 6: XL rear storage basket.
6. Maintenance
- Cleaning: Wipe down plastic and metal parts with a damp cloth and mild soap. Avoid abrasive cleaners.
- Fabric Care: The seat pad and canopy fabric can be spot cleaned with mild soap and water. Allow to air dry completely.
- Inspection: Regularly inspect all nuts, bolts, and fasteners to ensure they are tight. Check for any signs of wear or damage to the frame, wheels, or fabric components. Replace damaged parts immediately.
- Storage: Store the trike in a dry, protected area away from direct sunlight and extreme temperatures to prevent material degradation.
7. Troubleshooting
- Difficulty Steering: Ensure the parent push handle is securely attached and the steering mechanism is not obstructed. Check that the front wheel is properly aligned.
- Loose Parts: If any parts feel loose, tighten all screws, bolts, and fasteners. Do not overtighten.
- Squeaking Noises: Apply a small amount of lubricant to moving parts, such as wheel axles or pedal mechanisms, if squeaking occurs.
- Child Not Pedaling: Ensure the footrest has been removed and the child's feet can comfortably reach the pedals. Encourage them to practice in a safe, open area.
- Canopy Not Staying Open: Check the canopy's adjustment points to ensure they are locked into position.
If you encounter issues not listed here or require further assistance, please contact Radio Flyer customer support.
8. Specifications
| Brand Name: | Radio Flyer |
| Model Number: | 491 |
| Item Type Name: | Trike |
| Recommended Age: | 1 - 5 years (12 - 60 months) |
| Maximum Weight Capacity: | 49 lbs (22.2 kg) |
| Assembled Dimensions (L x W x H): | 19.88" x 35.04" x 40.75" (50.5 cm x 89 cm x 103.5 cm) |
| Item Weight: | 15.87 Pounds (7.2 kg) |
| Material Type: | Alloy Steel |
| Included Components: | Tricycle (with removable canopy, snack tray, headrest, seat belt, footrest, parent push handle) |
| Assembly Required: | Yes |
9. Product Media
Product Images:




Official Product Videos:
Video: HONEST REVIEW demo and features!
Description: This video provides an honest review, demonstration, and overview of the features of the Radio Flyer 4-in-1 Stroll 'N Trike. It showcases various functionalities and aspects of the product.
Video: The perfect toddler bike that grows with your child!
Description: This video highlights the adaptability of the Radio Flyer 4-in-1 Stroll 'N Trike, emphasizing its ability to transition through different stages as a child grows.
Video: Awesome Trike That Grows With the Child From 1 to 5 Years
Description: A comprehensive video showcasing the features and benefits of the trike, focusing on its multi-stage design for children aged 1 to 5 years.
Video: What you NEED to Know Before Buying...
Description: This video provides essential information and considerations for potential buyers of the Radio Flyer 4-in-1 Stroll 'N Trike.
Video: Perfect for so many stages!
Description: A video highlighting the versatility of the trike across various developmental stages of a child.
10. Warranty & Support
Radio Flyer products are designed for durability and quality. For specific warranty information regarding your 4-in-1 Stroll 'N Trike Model 491, please refer to the documentation included with your purchase or visit the official Radio Flyer website.
For customer support, replacement parts, or any inquiries, please contact Radio Flyer directly through their official channels. Contact information can typically be found on their website or on the product packaging.
Online Support: www.radioflyer.com