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Free Shipping Policy
Free Shipping Policy
Free Shipping on All Other Orders Over $100
Flat Rate Shipping Australia-Wide – $130 on Bike Orders (Excludes E-Bikes).
Warranty Policy
Warranty Policy
We stand behind the quality of our products! All items come with a 1-year warranty from the date of purchase. This covers any manufacturing defects or issues with materials under normal use.
Return & Exchange Policy
Return & Exchange Policy
We want you to be 100% satisfied with your purchase. If you're not, you can easily return or exchange any unused items within 30 days from the date of purchase
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Bike Size Guide
Not sure what size to choose? Use our sizing guide below to find the perfect fit. Inseam measurement is the most accurate way to determine your bike size.
Adult Bike Sizing
| Height | Inseam | Frame Size | Bike Size |
|---|---|---|---|
| 5'0" - 5'3" | 28" - 30" | 13" - 15" | XS |
| 5'3" - 5'6" | 30" - 32" | 15" - 17" | S |
| 5'6" - 5'9" | 32" - 34" | 17" - 19" | M |
| 5'9" - 6'0" | 34" - 36" | 19" - 21" | L |
| 6'0" and above | 36" - 38" | 21" - 23" | XL |
Kids Bike Sizing
| Age Range | Height | Wheel Size |
|---|---|---|
| 3 - 5 years | 2'10" - 3'4" | 12" - 14" |
| 5 - 7 years | 3'4" - 3'10" | 16" |
| 7 - 10 years | 3'10" - 4'6" | 20" |
| 10+ years | 4'6" and above | 24" |
💡 Tip: Measure your inseam from your crotch to the ground while standing barefoot for the most accurate sizing. For personalized assistance, view our complete Bike Size Guide or contact our team.
Radius Explosive 20-Inch Kids Bike is the perfect choice for young riders who want a fun, durable, and confidence-building bike for everyday adventures. Built with a strong Hi-Ten steel BMX-style frame, this kids bike is designed to handle parks, pathways, school rides, and weekend family outings with ease. The sturdy construction and BMX-inspired styling give young riders the freedom to explore while enjoying comfort, control, and stability.
The Radius Explosive 20-Inch Kids Bike features a reliable coaster rear pedal brake combined with a front linear pull brake system, helping kids develop safe and responsive braking skills. The BMX-style 560mm handlebar delivers excellent steering control, while the adjustable 4-bolt quill stem allows the riding position to be customized as your child grows. The cold forged one-piece crankset and durable 40T chainwheel provide smooth and efficient pedaling performance for daily riding.
Designed for comfort and durability, the bike comes equipped with 20 x 2.125 tyres that provide great grip and stability on different surfaces. The painted 36-hole rims and coaster rear hub improve overall strength and reliability for active kids. Additional features such as the kickstand and protective handlebar and stem pad set make this bike practical and rider-friendly for everyday use.
Whether your child is learning new tricks, cruising around the neighborhood, or riding with friends, the Radius Explosive 20-Inch Kids Bike combines safety, comfort, and BMX-inspired fun in one exciting package.
Features:
- Durable 20-inch Hi-Ten steel BMX-style frame
- Hi-Ten steel fork with 1-1/4 blades
- BMX-style 560mm wide handlebars
- Adjustable 4-bolt quill stem
- Cold forged one-piece crankset
- 40T chainwheel with 18T sprocket gearing
- Rear coaster pedal brake for easy stopping
- Front linear pull brake system
- Painted 36-hole rims with coaster rear hub
- 20 x 2.125 tyres for grip and stability
- Includes kickstand and protective pad set
Related products
Radius Explosive 20-Inch Kids Bike is the perfect choice for young riders who want a fun, durable, and confidence-building bike for everyday adventures. Built with a strong Hi-Ten steel BMX-style frame, this kids bike is designed to handle parks, pathways, school rides, and weekend family outings with ease. The sturdy construction and BMX-inspired styling give young riders the freedom to explore while enjoying comfort, control, and stability.
The Radius Explosive 20-Inch Kids Bike features a reliable coaster rear pedal brake combined with a front linear pull brake system, helping kids develop safe and responsive braking skills. The BMX-style 560mm handlebar delivers excellent steering control, while the adjustable 4-bolt quill stem allows the riding position to be customized as your child grows. The cold forged one-piece crankset and durable 40T chainwheel provide smooth and efficient pedaling performance for daily riding.
Designed for comfort and durability, the bike comes equipped with 20 x 2.125 tyres that provide great grip and stability on different surfaces. The painted 36-hole rims and coaster rear hub improve overall strength and reliability for active kids. Additional features such as the kickstand and protective handlebar and stem pad set make this bike practical and rider-friendly for everyday use.
Whether your child is learning new tricks, cruising around the neighborhood, or riding with friends, the Radius Explosive 20-Inch Kids Bike combines safety, comfort, and BMX-inspired fun in one exciting package.
Features:
- Durable 20-inch Hi-Ten steel BMX-style frame
- Hi-Ten steel fork with 1-1/4 blades
- BMX-style 560mm wide handlebars
- Adjustable 4-bolt quill stem
- Cold forged one-piece crankset
- 40T chainwheel with 18T sprocket gearing
- Rear coaster pedal brake for easy stopping
- Front linear pull brake system
- Painted 36-hole rims with coaster rear hub
- 20 x 2.125 tyres for grip and stability
- Includes kickstand and protective pad set
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