Challenge 18 inch Wheel Size Unisex BMX Bike - Grey
201/1530£120.00
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About this product
They're ready to jump curbs, practise tricks and ride with growing confidence. The Challenge 18 inch BMX Bike supports skill development and fun as young riders explore what a BMX can do. Its durable steel frame is built to handle the bumps and knocks of early BMX riding, whilst BMX-style handlebars offer control that feels responsive and easy to manage. Every ride builds coordination, balance and a growing sense of what they can achieve on two wheels.
It's designed for riders aged 5 years and over with an inside leg of 20-22 inches, with 18-inch wheels suited to this stage of riding. The steel frame is built for durability through regular use. V-brakes front and rear provide reliable stopping power, with ergo brake levers sized to suit smaller hands. The single-speed drivetrain keeps riding straightforward and focused on building skills. Steel rims and BMX-style tyres support handling across different surfaces. Minimal assembly required - tyres arrive partially inflated and should be topped up before riding.
- Steel diamond frame.
- Front V-type and rear V-type brakes.
- Weight when fully assembled 12.5kg.
- 11 inch frame size.
- 18 inch wheel size.
- For ages 5 years and over.
- Inside leg 20-22 inches.
- BMX style tyres.
- Steel rims.
- Minimal assembly.
- For an easy delivery, your new bike will arrive with partially inflated tyres, make sure you top them up before riding.
- Manufacturer's 10 year frame guarantee.
WARNING(S):
- Not suitable for under 3.
- Adult supervision required.
- Protective equipment needed: helmet, knee pads and elbow pads.
Returns
From July 16th, if you want us to collect an unwanted small item after delivery, it costs £3.95 or you can return it to any store for free. You won’t be charged if the item is faulty, or if it was delivered by a supplier.
4.5
32 reviews
87%
Recommended this product
Customers Say
Overall, the bike is well-received for its design and ease of assembly, but some users reported issues with brakes and punctures. Many kids love it, making it a popular choice for gifts.
An AI generated summary based on recent customer reviews
Each review is verified as authentic by our independent third party and we only publish reviews from customers or Argos Testers who have purchased or used the item. Customers are incentivised to submit product reviews as part of a prize draw.
Good bike but arrived with a puncture
This is a good bike and my son loves it. Bought as a Christmas present. Unfortunately it arrived with a slow puncture on the back tyre. We did have the option to return/exchange but would have preferred a partial refund to cover the cost of fixing the puncture. Decided to keep and fix the puncture as we didn't want the bike going to waste if we returned it.
Em, 35 - 44
How to get what you want, quick and easy.
Saw what I wanted 1 click , so easy.
Peter 121, 65 or over, South Wales
Grandsons bike
Boss bike exactly what he wanted
Bob, 55 - 64
Great looking bike
The colour scheme and design of the bike is great but the front break kept sticking to the wheel from day one. After 3-4 weeks the front breaks literally split from the cable -what a joke!! Quality of the U shaped breaks are very very poor. I am now going to have to pay for new breaks even though the bike has hardly been used.
Az, 35 - 44, London
Excellent bike
I bought this for my 5 year old grandson as a second stage bike. It was well packed, very easy to assmble and excellent value for money.
Ms C, 45 - 54, Midlothian, Scotland
A great bike my son loves husband new bike.
I bought this a month ago
Ibby121, 35 - 44, Sheffield
18inch challenge bike
Bought 2 of these a few weeks ago and my kids absolutely love them there so easy to put together and for the price you can’t go wrong .
Morg29, 25 - 34, London
BMX bike
Absolutely perfect but struggled to put the back wheel on . It will never come off again ! grandson loves it . Good value as same one in Halfords is £206 .
Jewels, 55 - 64, Newton Abbot Devon
Great bike
Easy to assemble ....
Bobbybobs, 25 - 34, Newry
Amazing bike
I bought for my granson it was easy to build and great value for money
jackie, 45 - 54, Scotland
Hello,
Our supplier has advised that for the Challenge 18 inch Wheel Size Unisex BMX Bike - Grey it is 45kg max user weight.
Thank you for using Q&A
Hello Jim.
After checking with our supplier, they have advised for Challenge 18 inch Wheel Size Unisex BMX Bike - Grey.
Typically 10mm axle for front wheel and 14mm axle for rear wheel.
Thank you for using Q & A.
Hello Theo,
I can advise the following for the Challenge 18 inch Wheel Size Unisex BMX Bike - Grey:
It is a freewheel and not fixed.
Thanks for using Q & A.
Hello Bobbybob,
I can advise the following for the Challenge 18 inch Wheel Size Unisex BMX Bike - Grey:
This is 90% built, you will just need to put the front wheel on, sort the handle bar out as well as the seat and then inflate the wheels.
Thanks for using Q & A.
The bike DOES freewheel! My son has one.
Hi Dan.
After checking with our supplier, they have advised for the Challenge 18 inch Wheel Size Unisex BMX Bike - Grey: I believe these to be fixed.
Thank you for using Q&A.
Hi Presh,
Challenge 18 inch Wheel Size Unisex BMX Bike - Grey
On checking I can see the steering wheel does not turn 360 degrees.
Thanks for using Q and A.
Hello Ann,
I can advise the following for the Challenge 18 inch Wheel Size Unisex BMX Bike - Grey:
For ages 5 years and over.
Inside leg 20-22 inches.
Thanks for using Q & A.
Hello there,
Challenge 18 inch Wheel Size Unisex BMX Bike - Grey
It is recommended you use 10mm pegs for the front wheel and 14mm pegs for the rear wheel.
Thanks for using Q&A
Hello there,
After checking with our supplier, they have advised for the Challenge 18 inch Wheel Size Unisex BMX Bike - Grey: I believe these to be fixed.
Thank you for using Q&A.
Hi Carley,
Challenge 18 inch Wheel Size Unisex BMX Bike - Grey
On checking I can see this frame is not suitable for a water bottle cage.
Thanks for using Q and A.
The small print
*Prices correct as displayed but are subject to change.
The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.