Specifications:
| Feature | Details |
|---|---|
| Frame | Hi‑Ten steel |
| Wheel Size | 20 inches |
| Fork | Zoom suspension fork with 40 mm travel for a smoother ride |
| Brakes | Alloy linear‑pull (V‑brakes) |
| Accessories | Rear derailleur guard, quick‑release seat‑post clamp, chain guard |
| Saddle | Junior ATB two‑panel saddle |
| Handlebars | Steel quill stem with handlebars suitable for BMX control |
| Recommended Age | 4 – 9 years |
| Rider Height | 112 – 137 cm |
Who it’s for:
Perfect for boys aged 4–9 years. Ideal for casual play, park rides, and neighborhood adventures.
Kids’ Bike Size Guide
| Wheel Size | Rider Age | Height Range | Inseam Range |
|---|---|---|---|
| 12 Inch | 2 – 4 years | 85 – 100 cm | 35 – 42 cm |
| 14 Inch | 3 – 5 years | 95 – 110 cm | 40 – 50 cm |
| 16 Inch | 4 – 6 years | 105 – 120 cm | 45 – 55 cm |
| 18 Inch | 5 – 7 years | 115 – 125 cm | 50 – 60 cm |
| 20 Inch | 6 – 8 years | 120 – 135 cm | 55 – 65 cm |
| 24 Inch | 8 – 11 years | 130 – 145 cm | 60 – 72 cm |
This table helps parents and guardians choose the correct bike size based on a child’s age, height, and inseam. The Diamondback Cobra 20inch (Black & Red) Boys BMX is best suited for toddlers just beginning to ride, typically in the 4–9 year age group.
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