Vehicles and transport

Balance bicycle

A balance bicycle is a small children's bike without pedals, designed to teach balance and steering skills.

Also known as: balance bike, run bike

How big is it?

86 cm long

Also 2.822 ft

Defined overall length · defined specimen
Typical recorded range: 80 cm to 92 cm.

Scale illustration of Balance bicycle, calibrated to its defined overall length measurement.
The marked defined overall length represents 86 cm.

A little perspective

About the same scale as Luna 2.

Luna 2: Luna 2 was a Soviet spacecraft that became the first human-made object to impact the Moon in 1959.

True scale
01
Balance bicycle86 cmDefined overall length
02
Luna 290 cmSpherical bus diameter
Both marked spans share one linear scale. Artwork keeps its proportions; poses and surface detail are illustrative.
Measurements, assumptions & sources +

Balance bicycle

A defined child-sized balance bicycle 86 cm long travelling at 4 m/s. It has no pedals, chain or training wheels; product dimensions and rider speed vary.

Defined examples — our methodology

The marked defined overall length is calibrated. Unmeasured illustration details are representative.

Luna 2

Luna 2 used an approximately 0.9 m spherical spacecraft bus and had a mass of about 390.2 kg. Antennas and scientific booms extend beyond the calibrated body diameter.

NASA NSSDC — Luna 2

The marked spherical bus diameter is calibrated. Unmeasured illustration details are representative.

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Why this measurement?

Why we use 86 cm

For comparison, this page uses defined overall length. This is labelled defined specimen: an explicit comparison model rather than a claim that every example has the same value. The recorded range is 80 cm to 92 cm.

A defined child-sized balance bicycle 86 cm long travelling at 4 m/s. It has no pedals, chain or training wheels; product dimensions and rider speed vary.

The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →

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Recorded properties

Balance bicycle dimensions and measurements

PropertySelected valueRecorded rangeBasis
86 cm80 cm to 92 cmdefined specimen
4 m/s2.4 m/s to 6.4 m/sdefined specimen

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Sources and method

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The source records and measurement method remain available for inspection.

Read the measurement and artwork methodology →

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