Radio Flyer

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SKU: 840RZ

Flyer 20'' Kids' Bike

Premium 20” 7-Speed Aluminum Bike

Ages: 6-8 Years

Color: Red


  • Lightweight and durable aluminum frame
  • Thick 20" tires provide traction and durability
  • Adjustable padded seat grows with your child
  • Front and rear linear pull brakes
  • Designed with kid-specific geometry for easy handling, stability, and a comfortable riding position
  • Shimano® 7-speed gear shifter
  • Built with premium components to deliver a smooth riding experience
  • Suitable for riders 45"-52" tall
  • Recommended for kids ages 6-8 years
  • Bike weight: 24.3 lbs.
  • Add custom accessories to personalize your ride
  • Available in 5 fun colors


Ages: 6-8 Years
Rider Height: 45"-52" tall
Tires: 20" x 2.35"
Frame Aluminum Alloy, Kickstand Mount
Brake Kids Size Alloy brake lever
Model: #840
Assembly & Product Info: Learn More

Radio Flyer Promise

All purchases deliver exclusive benefits: 

  • A double warranty
  • Guaranteed brand-new, authentic products shipped direct from manufacturer.
  • A tree planted for each product purchased, and sitewide carbon neutral shipping
  • Radio Flyer is a certified B Corp, meeting the highest standards of verified social and environmental performance, transparency, and accountability.

Designed with kid-specific geometry for the best riding experience

Ergonomically Designed For Kids

Comfort and fit are key to a fun riding experience. Flyer™ kids’ bikes are ergonomically designed with kid-specific geometry to deliver easy handling, stability, and a comfortable, upright riding position. This bike features an aluminum frame that is both lightweight and durable. Thick 20” tires ensure smooth rides from neighborhood sidewalks to park pathways.

Powerful, Reliable Braking

Flyer™ kids’ bikes are designed to put safety first. The front and rear linear pull brakes deliver powerful braking on demand. The brakes levers are intuitive and easy to engage so your child can always safely control the bike when enjoying outdoor adventures on their favorite set of wheels.

Adjustable Seat For Years Of Fun Riding

Adjustable Seat For Years Of Fun Riding
The Flyer™ 20” Kids’ Bike features a padded adjustable seat to deliver smiles for miles and years of outdoor riding adventures. Move the seat up and watch your child grow up alongside their bike. Adjust the seat back down when it is time to pass the bike down to a younger sibling. This bike is designed to fit riders between 45” and 52” tall and recommended for ages 6 to 8 years old.

Why People Love This Product

Best Kid's Bike We've Owned...Our daughter grew out of her old bike, so we upgraded to a Radio Flyer bike for her birthday. And, we're so happy with our purchase! Not only was the online purchasing easy, but it arrived just days later. The video instructions were easy to follow, and our daughter was on her way quickly. This is a bike that will last for quite a while. Great product!

- Sue from Illinois

Radio Flyer

Flyer 20'' Kids' Bike


● Adjustable padded seat grows with your child
● 7-Speed Shimano Shifter & Derailleur gear assembly
● Light & durable aluminum frame
● 20” durable tires
● Front and rear brakes for control

Bring the Flyer™ fun and adventure home to your kids with the Flyer™ 20” Kids’ Bike. This bike features a lightweight, durable aluminum frame. Built for speed and style, it features a 7-Speed Shimano Shifter and derailleur gear assembly. This bike is equipped with front and rear hand brakes so riders can make quick, controlled stops. The 20” durable tires absorb bumps and provide a smooth ride. The seat height is adjustable, allowing the bike to grow with your child. Recommended for kids ages 6 – 8 years, or riders 45” – 52” tall.


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