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Radio Bike Co.
Zuma 24in Bike - Kids'

5 out of 5 stars
1 Review

Out of Stock

Don't worry though, we have a lot more Kids' Bikes in stock than that.

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Why We Like The Zuma 24in Bike

Radio's Zuma range is designed to make choosing our kid's bike an easy task, and the Zuma 24in Bike is ideal for family rides and weekend wandering. Based on the idea of a kid-sized mountain bike, the Zuma is crafted with a lightweight feel and a comfortable geometry that suits younger riders. It's the optimal bike for learning how to balance and pedal, and it can handle more off-road excursions as well. If we're out on the trails or scooting around town, we can feel confident knowing our young one is right there with us on their Zuma.

The Zuma is crafted with a lightweight aluminum frame and fork that's highly durable for the aspiring rider. Double-wall rims and kids-specific components from Promax, KMC, FSA, and VEE Rubber are ideal for young riders, a comfortable geometry keeps them perfectly balanced over their ride. All of that, along with 2.25in tires, means they will feel good about keeping up with us when we're cruising. The Zuma rides just like full adult-sized mountain bike, and it offers the stability and handling we would want in any bike.

*Due to a high demand in the global supply chain and bike industry since the start of the pandemic, material weight and exact components are subject to change. We are working diligently to keep tech specs updated, and any adjustments will be of equal or better spec level. If you have any questions, reach out to a Gearhead by chatting online or calling 1-888-276-7130.


  • The bike we want our kids to have for learning the basics
  • A comfortable geometry keeps them perfectly balanced
  • Stability and handling increase confidence and control
  • Components from Promax, KMC, and FSA (for a start) for young riders
  • 2.25in tires for traction, cruising trails, and keeping up with the parents
  • Item #RBC0007
Frame Material
6061-T6 alloy
Zuma 24, 6061-T6 alloy
FSA A-headset, loose ball
Promax BL-42
Radio Zuma
Chainring Sizes
Crank Arm Length
Bottom Bracket
Microshift, 8-speed
Cassette Range
KMC chain
Promax Disk-310
Brake Type
mechanical disc
Radio Zuma 24
Radio Zuma
Radio Zuma 45
Stem Length
Radio Zuma 2024
Promax SP-2019
[rim] Radio J25SE
[front] Radio disc hub, [rear] Radio Zuma disc cassette hub
Front Axle
12mm thru-axle
Rear Axle
Vee Tire Crown Gem
Tire Size
24 x 2.25in
Radio Zuma
Claimed Weight
road cycling
Manufacturer Warranty

Overall Rating

5 based on 1 ratings

Review Summary

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5 Stars - 1 reviews

Fits True To Size

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5 out of 5 stars

February 26, 2024

Great Kids Mountain Bike

I've put it through the wringer
4' 6"

With kids mountain bikes, there's two extremes: slow heavy and cheap or fast, light and expensive. This bike is one of the few that treads the in-between. My 8 year old was very excited to help me unbox and put this bike together. I liked that it has an 8 speed cassette and a lightweight, rigid fork. At this age, I think light weight is worth more than having a suspension fork. My son's abilities on the trails increased dramatically with this bike. It should last him a least a year if not more until he grows enough to move up to a 26 or 27.5 bike.

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John T