Giant ARX 26 (2025): a lightweight, fast-rolling junior bike built for older kids ready to step up to 26" wheels. With a premium ALUXX-grade aluminium frame, Shimano 8-speed drivetrain and child-specific controls, it delivers smooth, efficient performance for school runs, park rides and weekend adventures — the perfect bridge to adult bikes. Jump to: What • How • Why • FAQ WHAT is the Giant ARX 26? The Giant ARX 26 is the largest model in Giant’s acclaimed ARX kids’ range — designed for riders aged 10–14 who are ready for full-sized wheels and longer rides. It features a lightweight aluminium frame and fork, wide-range Shimano 1×8 drivetrain, and carefully chosen child-optimised touchpoints for growing riders. It’s quick, reliable and built to make every mile enjoyable. Frame: ALUXX-grade aluminium, youth-specific geometry Fork: Alloy rigid fork for precise handling Drivetrain: Shimano 8-speed with trigger shifter Brakes: Mini V-brakes with short-reach levers Wheels/Tyres: 26" lightweight alloy rims with fast-rolling all-terrain tyres HOW does it ride? Fast, confident and capable. The ARX 26 rides like a scaled-down adult bike — responsive, smooth and efficient. The light frame and balanced geometry promote confident handling, while the gear range allows easy climbing and comfortable cruising. It’s ideal for growing riders tackling school commutes, club rides or family weekend loops. Lightweight design — easy to handle and manoeuvre on climbs or corners 8-speed range — offers flexibility for varied terrain and pace Balanced geometry — gives stability without sacrificing agility WHY choose the ARX 26? Because it’s built to perform — not just to look the part. The ARX 26 brings Giant’s adult-level engineering to a junior bike that’s light, durable and enjoyable to ride. It’s a great option for confident young cyclists who have outgrown smaller wheels and want a dependable, efficient bike for years of fun. Best for: Ages 10–14, school rides, leisure cycling and youth club rides Not for: Technical off-road or jump-based riding Standouts: Lightweight frame, 26" wheels, youth-specific fit Sizing & Fit Find my size Pick your child’s height or age band to find the best fit. 140–155 cm (Ages 10–12) 26" wheel bikes like the ARX 26 fit most riders in this range. 155–165 cm (Ages 12–14) Still suitable — adjust saddle height and cockpit reach as they grow. Over 165 cm (Ages 14 ) Consider a Small adult bike for optimal geometry and room to grow. Guidance only — height and confidence vary by rider. Ask us for a personalised fitting suggestion. Available in multiple colourways. If you’re unsure between 26" and a small adult bike, see our size guide or get personalised advice. Frequently Asked Questions FAQs about the Giant ARX 26 (2025) What age is the ARX 26 for? It’s ideal for riders aged 10–14, typically between 140 cm and 165 cm tall. Does it come with gears? Yes — the ARX 26 uses an 8-speed Shimano drivetrain for smooth shifting and a wide range of gears. Can accessories like mudguards or racks be fitted? Yes, the frame includes mounting points for mudguards, kickstand and racks (sold separately). Is it suitable for off-road riding? It’s best suited for tarmac and light gravel trails — not intended for aggressive off-road use or jumps. How is it different from an adult bike? The ARX 26 shares similar materials and geometry with adult bikes but has smaller reach, lighter controls and youth-specific components for comfort and safety. 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.
