Radius Explosive Mini Boys Bike 20 Inch Gloss Black/Orange (2019)

Now $237.00 RRP $245.00 SAVE $8.00
In stock
or 4 interest-free payments of $59.25
Learn more

Available on orders over $40. Collection in 1-7 days. WA orders 1-14 days. More info »

Free delivery over $99. Some exclusions apply. More info »

Up to 12 months interest free


The Radius Explosive Mini is a 20 inch boys BMX bike that is big on style and comfort. Kids will love the colours and design, while enjoying the kids specific build. It is made with the Junior BMX hi-tensile frame and Radius Junior BMX geometry. The steel BMX fork creates a stable ride and a sporty look with snappy handling.

It has a low stand over height for easy mounting and confident riding, while a super comfortable junior BMX saddle and junior BMX specific grips, offer a super comfortable ride. The 20" BMX knobby offer great traction and speed for the kids to let loose in the park The Radius Explosive Mini is a built to be durable enough to handle the challenges kids can throw at their bikes. While it is still comfortable and looks good, everything you need in a kids bike.


  • 20" Junior BMX hi-tensile frame, with Radius Junior Mini BMX geometry.
  • A shorter top tube than the standard Explosive frame, allows this model to fit smaller riders that want to grow into the bike.
  • Low stand over height for easy mounting and confident riding.
  • Steel BMX fork creates a stable ride and a sporty look with snappy handling.
  • 20" BMX Knobby tyres, great for riding in the dirt.
  • Super comfortable junior BMX saddle and BMX specific grips, for ultimate riding comfort.
  • Rear coaster foot brake and caliper front brake provide the perfect amount of stopping power.


See More Information tab above.

More Information
Model Year2019
Popular FiltersBoy's
FrameBoy's mini 20" Hi-Ten steel BMX style frame with short top tube
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account

About Radius 

Radius bikes have been produced by one of Australia's most iconic bicycle brands, Apollo, since the late 90s. Radius represents safety, fun, simplicity and value in its range of recreational bikes for kids and youths.

View all Radius bikes >

Club 99 Membership

Join Club 99 for just $5 when you make a purchase in store, or use the button below to buy membership online. To reward you for being a club member, your Club 99 membership card will give you these great benefits:

  • Discounted Club 99 pricing, in store and online
  • A $25 gift card when you spend over $500 in a year *
  • Access to free bike maintenance classes
  • Exclusive priority access to new offers
  • Access to exclusive guarantees

Please note that when you buy Club 99 membership online, it may take up to 20 minutes to receive your welcome email.

* Click here for Club 99 terms and conditions.

Radius Kids Bike Sizing Chart

Rider's Height (cm)
12" Wheel
16" Wheel
20" Wheel
24" Wheel
26" Wheel

This is an accurate estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.