Giant ARX 24 (2025): a lightweight, performance-focused 24" kids’ bike built to keep pace as young riders grow and gain confidence. With a premium ALUXX-grade aluminium frame, rigid alloy fork and 8-speed gearing, it’s designed for smooth efficiency on roads, paths and family rides — the next step up in the award-winning ARX range. Jump to: What • How • Why • FAQ WHAT is the Giant ARX 24? The Giant ARX 24 is the largest model in Giant’s lightweight kids’ bike line-up, perfect for riders aged 8–12 ready to explore further. It combines a responsive aluminium frame with a reliable Shimano 1×8 drivetrain and child-optimised finishing kit for comfort and control. It’s light, tough, and designed to keep riding fun as kids grow stronger and more adventurous. Frame: ALUXX-grade aluminium, youth-specific geometry Fork: Rigid alloy fork for precise steering and low weight Drivetrain: Shimano 8-speed with trigger shifter Brakes: Mini V-brakes with short-reach levers Wheels/Tyres: 24" alloy rims with quality all-round tyres HOW does it ride? Smooth, stable and quick — the ARX 24 is designed to inspire confidence on longer rides. The lightweight frame and efficient gearing help kids climb hills and cruise at pace, while the balanced geometry and quality tyres make it stable across mixed terrain. It’s equally at home on the school run, leisure rides or youth club rides. Lightweight feel — makes riding easier, further and faster Stable geometry — builds confidence at speed or cornering Kid-specific touchpoints — narrow bars and short-reach levers for control WHY choose the ARX 24? Because your child deserves a bike that rides as well as yours. The Giant ARX 24 is built with premium components that make a real difference in weight and handling, giving young riders the confidence to tackle family rides, club outings or longer adventures with ease. Best for: Ages 8–12, family rides, parks, road and light trails Not for: Heavy off-road or jump-based riding Standouts: Lightweight build, smooth 8-speed gears, kid-optimised fit Sizing & Fit Find my size Pick your child’s height or age band to find the best fit. 130–145 cm (Ages 8–10) 24" wheel bikes like the ARX 24 are usually ideal for this height range. 145–155 cm (Ages 10–12) Still suitable — raise the saddle and fine-tune reach as they grow. Over 155 cm (Ages 12 ) Consider stepping up to a small-frame adult bike for best fit. Guidance only — growth rates vary. Ask us for personalised advice. Available in multiple colour options. If you’re unsure between 24" and a small adult frame, see our kids’ size guide or get personalised advice. Frequently Asked Questions FAQs about the Giant ARX 24 (2025) What age is the ARX 24 designed for? Typically for riders aged 8–12, depending on height and leg length. Does it have gears? Yes, it features a smooth 8-speed drivetrain for a wide gear range and easy hill climbing. Can I fit accessories like mudguards or racks? Yes — the frame includes mounts for mudguards, kickstand and racks (sold separately). Is it suitable for off-road use? It’s best for roads, gravel and park paths — not for heavy off-road or mountain biking. What makes it lighter than other kids’ bikes? The ARX 24 uses a full aluminium frame, fork and key components, reducing overall weight and improving ride quality. Need more info? Contact our team and we’ll be happy to help. More like this: Shop Kids' Bikes • Explore the Giant range Assembly & First Service Every bike is built and safety-checked by our Cytech-qualified mechanics. In-store purchases qualify for a first FREE 6-week health check. Mail order bikes include FREE Multi-Tool / Pedal Spanner / Pedals. Delivery / Click & Collect Fast UK delivery or FREE Click & Collect from our stores. Finance & Cycle to Work Spread the cost with finance (subject to status) or save with Cycle to Work on selected models.
