
The SmarTrike STR 3 Plus is a convertible, foldable tricycle: it starts as a stroller for babies as young as 10 months and evolves into a standalone tricycle for children up to 36 months. It's compact, versatile, and stroller-certified.
Main features:
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Recommended age: 10 – 36 months (0.8 – 3 years)
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6 stages of use: From a stroller with a canopy, footrest and parent handle to an independent tricycle without a backrest or handlebar.
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“Touch steering”: Patent that allows steering with just one finger
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Rear wheel shock absorbers: Smoother ride and less impact on uneven surfaces
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Rear wheel brake: Innovative system to stop the tricycle safely
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5-point harness + front bar: Maximum safety during seat/training stages
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Dual Parent/Child Controls: Selector button that allows you to change who controls
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Two-stage training pedals: Hide or activate depending on the stage
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Foldable and compact: Folds completely flat; ideal for trunks and transport
Materials and design:
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Durable aluminum and plastic structure for great durability
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Color: Green (model ST1233) with white and gray details
Dimensions and weight:
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Folded dimensions (approx.): 102 × 25 × 38 cm
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Unfolded dimensions: 102 × 48 × 98 cm (est.)
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Tricycle weight: 6–7 kg (varies by market)
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Maximum weight supported: 17 kg (38 lbs)
Security and certifications:
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Certified as a children's stroller , unique in its category
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Harness and brake approved for child safety
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Patented “touch steer” system for comfortable and safe use
Benefits of using the convertible tricycle SmarTrike STR 3 Plus:
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Progressive development of autonomy: from passenger to independent cyclist
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Gross motor skills and coordination: through pedaling, balance and steering
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Confidence and trust: the child gradually takes control