Giant ARX 20

£385.00
Was £429.00
ONESIZEONLY - (20

With every bike purchased, you get your first service for free! (Within the first 12 weeks)

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.

Light and Strong

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 for Kids

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.

All-Terrain Ready

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.

ALUXX Aluminium Technology

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.

You May Also Like