Why Age & Size Matter When Choosing a Kids' Electric Bike
Buying an electric balance bike for your child isn't just about picking the coolest-looking model — it's about finding the right fit. A bike that's too big can knock confidence, while one that's too small will be outgrown in months. This guide breaks down every Revvi model by age, wheel size, and riding ability so you can make the right call first time.
Age 2–4: Revvi 12" Electric Balance Bike
The Revvi 12" is the perfect first electric bike for toddlers and young children just finding their feet. With no pedals, a low seat height, and a gentle electric motor, it builds balance and confidence safely.
- Recommended age: 2–4 years
- Wheel size: 12"
- Motor: 24V brushless
- Top speed: Up to 15 km/h (adjustable)
- Best for: First-time riders, garden and park use
Need a spare battery? Browse our Revvi 12" Spares collection.
Age 4–7: Revvi 16" & 16" Plus Electric Balance Bike
As children grow, the Revvi 16" and Revvi 16" Plus offer more power and a higher seat height. The Plus model adds a larger battery for extended ride time — ideal for adventurous kids who don't want to stop.
- Recommended age: 4–7 years
- Wheel size: 16"
- Motor: 24V brushless
- Top speed: Up to 25 km/h (adjustable via speed limiter)
- Best for: Confident riders wanting more range and speed
Spare parts and accessories available in our Revvi 16" Spares and Revvi 16" Plus Spares collections.
Age 6–10: Revvi 18" & 20" Electric Bikes
The 18" and 20" models bridge the gap between balance bikes and performance off-road riding. These are ideal for children who've mastered balance and want to start tackling light trails.
- Recommended age: 6–10 years
- Wheel sizes: 18" and 20"
- Best for: Growing riders wanting more off-road capability
Parts available in the Revvi 18" Spares and Revvi 20" Spares collections.
Age 10+: Revvi 24" & Revvi 20" Plus
For older kids and teens, the Revvi 24" and 20" Plus offer serious performance. At this stage, many riders graduate toward the Surron Light Bee range — purpose-built electric dirt bikes for teens and adults.
- Recommended age: 10+ years
- Best for: Experienced young riders, trail riding, motocross practice
Quick Reference: Revvi Size Guide
| Model | Wheel Size | Recommended Age | Key Benefit |
|---|---|---|---|
| Revvi 12" | 12" | 2–4 yrs | Ideal first bike |
| Revvi 16" | 16" | 4–6 yrs | More speed, limiter fitted |
| Revvi 16" Plus | 16" | 4–7 yrs | Extended battery life |
| Revvi 18" | 18" | 6–9 yrs | Light trail capability |
| Revvi 20" | 20" | 7–10 yrs | Bigger, more power |
| Revvi 24" | 24" | 10+ yrs | Pre-teen / teen performance |
Top Tips Before You Buy
- Check the seat height — your child should be able to touch the ground flat-footed when stationary.
- Use the speed limiter — all Revvi bikes include an adjustable limiter. Start slow and increase as confidence builds.
- Think about spare parts — we stock a full range of Revvi spares, so you're covered if anything wears out.
- Helmet is non-negotiable — browse our helmets for a properly fitted option.
Ready to Shop?
Browse the full Revvi kids' electric bike collection or check out used bikes if you're looking for a bargain. Any questions? Drop us a message — we're riders too and happy to help you choose.