24 inch Balance Bike Ages (9-13+)

Which Wheel Size Fits your Child?

Not sure if your child needs a 24 inch bike? Use this table first.

Height beats age every time. A tall 8 year old can fit a 24 inch bike. A shorter 12 year old may still ride a 20 inch comfortably. Always measure inseam, not just birthday,  before buying.

Why the 24 inch wheel size is a turning point in kids cycling

The step from 20 inches to 24 inches is the biggest transition in kids cycling. Frame geometry lengthens. Gearing complexity increases. The riding demands shift from playgrounds to real terrain.

A 24 inch mountain bike handles proper singletrack, gravel trails, and pump tracks. Components at this size,  disc brakes, indexed 7-speed shifting, quality front suspension — are often shared with entry-level adult mountain bikes. This is genuine equipment, not a toy with bigger wheels.

What weight should a 24 inch kids bike be?

Frame material matters most here. Aluminum  frames keep a 24 inch kids bike under 10–11 kg. A heavy steel frame in this size class can add 2–3 kg, that is significant when a child is carrying and maneuvering the bike on trails.

Target weights by category:

• 24 inch kids mountain bike: 9–11 kg (aluminium, front suspension)
• 24 inch general-purpose bike: 9–10 kg (aluminium, rigid)
• Budget steel 24 inch bikes: 12–14 kg (avoid for trail riding)

The best 24 inch youth mountain bikes stay under 10 kg. Lighter bikes build confidence faster, especially on technical terrain.

24 inch mountain bike vs 24 inch kids bike, what is the difference?

Not all 24 inch bikes are the same. Here is how the main types compare.

Choose a 24 inch youth mountain bike if your child rides off-road, visits trail parks, or wants to progress to technical terrain. Choose a standard 24 inch kids bike for school, flat paths, and casual weekend rides.

What about a 24 inch girls bike?

A 24 inch girls bike differs from equivalent boys models only in colour and saddle shape. Frame geometry at this wheel size is now converging across gender lines, fit matters far more than labelling. Measure inseam. Check minimum seat height. Ignore the colour marketing. The right bike is the one that fits.

What to look for when buying a Children’s 24 inch bike

Use these six criteria to compare any 24 inch children’s bike before purchasing.

• Frame material: Aluminium is the correct choice at this wheel size. It weighs under 11 kg and does not rust. Avoid steel frames for trail riding,  the extra weight limits what young riders can do on hills and technical sections.

• Front suspension (for mountain bikes): Look for 50–80 mm of suspension travel. Anything less does little on real terrain. Quality forks use preload-adjustable springs, lockout is a bonus but not essential at this age range.

• Brake type: Mechanical disc brakes are the current standard for 24 inch youth mountain bikes. They work in mud, wet conditions, and on descents. V-brakes are acceptable on general-purpose bikes used on dry paths. Hydraulic disc brakes appear on premium models and offer the lightest lever pull, useful for smaller hands.

• Gear range: A 7-speed drivetrain handles Australian terrain well at this age. 21-speed setups exist but are unnecessary unless your child rides steep, technical climbs regularly. Indexed shifting (Shimano or equivalent) is non-negotiable unindexed shifting is hard for kids to manage and falls out of adjustment constantly.

• Standover height: Measure your child’s inseam and check the bike’s minimum standover height before ordering. The child should stand flatfoot over the top tube with 2–3 cm of clearance. If standover height is listed on the product page, use it. If not, contact us before purchasing.

• Tyre width and tread: General-purpose 24 inch bikes: 1.75–2.0 inch semi-slick tyres. Mountain bikes: 2.1–2.4 inch knobbly tyres. Wider tyres add grip and absorb trail vibration, but slow the bike on sealed paths. Match tyre type to where your child actually rides.

How big is a 24 inch bike, and will it fit in the car?

A 24 inch bike is considerably larger than anything below it. Here are the physical dimensions you need to know.

• Overall length: 145–165 cm
• Saddle height (mid-extension): 65–75 cm
• Handlebar width: 55–65 cm
• Wheel diameter: ~61 cm (24 inches)

Can a 24 inch bike fit in a car?

Yes, in most Australian vehicles with the front wheel removed and the rear seat folded flat.

For regular trail riding, a rear bike rack or roof rack is the practical long-term solution. Fits two bikes easily and eliminates the wheel-off routine.

24 inch bikes, common questions answered

Training wheels are not suitable for a 24 inch bike. They are designed for bikes under 20 inches. A child who needs training wheels at this wheel size should step back to a smaller bike and build balance and confidence first. A balance bike approach works faster than training wheels at any age.

All 24 inch bikes in this collection comply with Australia’s mandatory bicycle safety standard (AS/NZS 1927). View our shipping and delivery policy for lead times on larger bikes. Browse bike accessories for helmets, gloves, and hydration packs suited to active tweens.