Guides & Tools
Gear Force Guides & Tools is our free hub for choosing kids' bikes and ride-ons in Australia. Use the interactive tools below to size a bike by your child's height or inside leg, check if a toddler is ready for a balance bike, confirm the right age and weight for a hoverboard, pick a 12V vs 24V ride-on car, or find the correct kids helmet size — then read our category buying guides for balance bikes, kids bikes, hoverboards, ride-on cars and trikes. Every tool is free, mobile-friendly and made for Aussie families, with fast shipping Australia-wide.
Free tools
Quick, no-signup tools to help you buy the right size and the right ride the first time.
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📏Kids Bike Size Calculator
Enter age, height or inside leg to get the right wheel size (12"–24") and the closest Gear Force bike.
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🚲Balance Bike Readiness Checker
Answer 3 quick questions to see if your toddler is ready for a balance bike and which first bike fits.
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🛹Hoverboard Suitability Checker
Check age, weight and balance for a safety-first answer on whether a hoverboard is right.
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🚗Kids Ride-On Car Selector
Find the right electric ride-on by age and weight — 12V vs 24V, one or two seats, remote or not.
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⛑️Kids Helmet Size Finder
Measure your child's head for the right helmet size, plus a printable 5-step learn-to-ride guide.
Buying guides by category
New to a category? Start here, then browse the matching range.
Balance bikes
Best first bike for toddlers — teaches balance before pedals. Pick by leg length and walking confidence, not just age.
Shop balance bikes →Kids bikes
Pedal bikes from 16" to 20". Size by height and inside leg for a confident fit, with disc brakes and lightweight frames.
Shop kids bikes →Hoverboards
Self-balancing scooters for ages 8+. Look for the right weight range, UL2272 certification and the features that suit your rider.
Shop hoverboards →Ride-on cars
Electric ride-ons by age and weight — 12V for younger drivers, 24V for older kids, with parent remotes for under-5s.
Shop ride-on cars →Trikes & push trikes
First rides for ages 1–5, including convertible 5-in-1 push tricycles that grow into a balance bike.
Shop kids trikes →Questions about the right fit for your child? Contact our Melbourne-based team — we're happy to help.
