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The ARX 20 ONESIZEONLY - (20 Phoenix Fire is available at the following locations.
The item will be transferred to the location you choose during checkout.
If the item is not currently available to view at your desired location, please call your nearest store to arrange for it to be transferred.
Introducing the exceptional ARX 20 by Giant, purpose-built with lightweight and durable materials to bring high-performance biking to younger riders. This first-class kids bike takes the best attributes of adult bikes and combines them into a design that's right-sized for little cyclists.
Incorporating a high-quality ALUXX aluminium construction, the ARX 20 offers a sturdy and reliable frame that not only promises long lasting durability, but also stands out as the lightest in its category. Acceleration is effortless, while handling remains stable, perfect for young riders gaining confidence.
Designed with youth-specific features, this bike offers better control and safety. The 20-inch wheels integrated into the design and the lightweight components work together to give better control and an optimally ergonomic positioning and fit.
Wherever your young rider wants to explore, the ARX 20 is ready. With its all-terrain tyres, this bike transitions smoothly from roads to gravel and dirt, making every ride an adventure.
We bring you the best of Giant's tech with ARX 20's use of ALUXX Aluminium Technology. This Performance level frame utilises versatile 6061 alloy with single-butted tubes to create hard-wearing, lightweight framesets suitable for a multitude of bikes and riding styles.
Ensure your young rider experiences top-notch performance from a bike designed with their needs in mind. Choose the ARX 20 for your child's next exhilarating two-wheel adventure!
Sizes | one size |
Colours | Phoenix Fire, Cobalt, Soap Suds, Lime Punch |
Frame | ALUXX-grade aluminium |
Fork | ALUXX-grade aluminium |
Shock | N/A |
Handlebar | Giant Youth, 480mm width, 31.8mm |
Grips | Giant Junior |
Stem | Ahead, alloy, 25.4x60mm |
Seatpost | alloy, 27.2mm |
Saddle | Selle Royal Vivo Jr. |
Pedals | platform |
Shifters | Shimano Altus SL-M315 1x8 |
Front Derailleur | N/A |
Rear Derailleur | Shimano Altus RD-M310 |
Brakes | alloy, linear pull |
Brake Levers | alloy, junior MTB |
Cassette | Shimano HG200, 12x32 |
Chain | KMC Z8 |
Crankset | alloy, forged, three-piece, 32t, 115mm |
Bottom Bracket | sealed cartridge |
Rims | Giant Kids 20", alloy |
Hubs | Alloy, 24 hole, quick release axles |
Spokes | stainless, 14g |
Tyres | Innova IB-3010, 20x1.5" |
Extras | bell, rear derailleur guard, chain guide |
Compatibility | For fitting stabilisers to the ARX 16 please consult your Giant stockist. The ARX 20, 24 and 26 are not compatible with stabilisers due to the quick release axle and derailleur gear system |
Colours | Cobalt, Lime Punch, Phoenix Fire |
Sizes | ONESIZEONLY - (20 |
Brand | Giant |
Model Year | 2025 |
Barcodes | 4711291120433, 4711291120471, 4711291120518, 4711291120556 |
SKUs / Part Numbers | 9012002110, 9012002210, 9012002310, 9012002410 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
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We offer 10 days free cover with all new bikes purchased, provided by our insurance partner VeloLife. You will be covered for the first 10 days of ownership against theft and accidental damage, so you can purchase with confidence.
Give yourself the comfort of no obligation free insurance, make sure you have peace of mind from the moment you leave the store. If anything happens to the bike in the first 10 days of ownership, know you are covered!