Polisport Koari 29

Our score 9.33 / 10

Research by Peter Crona Last updated Method How we research

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Polisport Koari 29

Pros

  • Engineered for small frames and 29ers, where most rear seat clamps simply cannot mount.
  • Manufacturer-documented specs (tube sizes, 85 mm minimum) make fit checkable before purchase.

Cons

  • Its small-frame specialization adds nothing on standard-geometry bikes.
  • The listing gives no minimum age, so younger babies need a separate judgment call.
Mount Type
Frame mount
Mount Position
Rear-mounted
Product page
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Price/Buy
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The Polisport KOARI 29 is a rear frame-mounted child seat designed for small frames and 73.7 cm bikes. Polisport lists a child limit of 22 kg, a three-point harness and a mount for round or oval frame tubes 28–40 mm in diameter, with at least 85 mm of seat-tube length. That geometry is the reason to consider this model; it adds little value on a standard frame that accepts a simpler seat. Measure the actual tube and available mounting length before choosing it, then check child weight and footrest reach. The manufacturer does not publish a minimum age for this model, so do not infer one from the 22 kg ceiling alone.