Description
The Radio Zuma 14" is a lightweight first proper bike for small riders, built with kid-sized MTB geometry rather than a scaled-down adult setup.
It gives new riders an easy, confidence-friendly start on paths and light off-road terrain, with the look and feel of a real mountain bike instead of a toy.
Specifications
Key fit measurements first, followed by the full build detail available for this bike. Variant-specific specifications should be checked against the selected option.
Bike & Fit
- Wheel Size:
- 14"
- Top Tube:
- 12"
- Model Year:
- 2026
- Weight:
- 7.18 kg
Frame & Cockpit
- Handlebar Rise:
- 1"
- Handlebar Width:
- 18.9"
- Clamp Diameter:
- 25.4 mm
- Headset Type:
- A-headset, loose ball
Drivetrain
- Crank Length:
- 89 mm
- Bottom Bracket:
- BSA square taper
- Gearing:
- 28T
Wheels & Tyres
- Tyre Size:
- 14 x 2.25"
- Axle Standard:
- 3/8"
- Spoke Hole Count:
- 20
Brakes
- Brake Position:
- Front / Rear
- Brake Mount:
- Disc
Seating
- Seat Mount:
- Railed
About RADIO
Radio Bike Co. was founded in 2012 by the team behind Wethepeople, bringing the same rider-driven development background into a separate range of complete bikes, frames and parts. Based in Germany, Radio spans freestyle BMX and BMX racing alongside dirt and slopestyle products, with different product lines built around the needs of each discipline. The brand combines accessible complete bikes with higher-level equipment rather than concentrating on only one rider...
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