Shop Kids Electric Bikes by Rider Height
Choosing an electric bike by rider height is often more accurate than choosing by age alone.
Children grow at different rates, so physical size, confidence, strength and previous riding experience should all be considered. This guide covers small starter bikes through to larger youth bikes and compact high-performance electric dirt bikes.
Quick Answer
Riders under 105cm usually need compact 12-inch starter bikes. Riders between 105cm and 120cm generally suit 16-inch starter and progression bikes. Riders between 120cm and 135cm often move into larger youth models. Riders between 135cm and 150cm may suit 20-inch bikes and compact performance machines, while riders over 150cm can begin considering larger youth bikes and full electric off-road models.
Kids Electric Bike Height Guide
Use this table as a starting point, then read the individual height sections below for more detailed guidance.
| Rider Height | Best Bike Type | Recommended Bikes | Best For |
|---|---|---|---|
| Under 105cm | Small 12-inch starter bikes | Revvi 12, Amped A10, STACYC 12eDRIVE | Young first-time riders |
| 105–120cm | 16-inch starter and progression bikes | Revvi 16, Amped A16, Revvi 16 Plus, Amped A16 Pro, STACYC 16eDRIVE Brushless and selected RFN Warrior models | Learning, confidence and early progression |
| 120–135cm | Larger youth and progression bikes | Revvi 16 XL, Revvi 18, Amped A20, Amped A20 Pro, Amped A18 Comp, STACYC 16eDRIVE ELITE and RFN Warrior SX-E500/SX-E700 | Growing riders needing more room and capability |
| 135–150cm | Larger 20-inch bikes and compact performance machines | Revvi 18, Revvi 20, Revvi 20 Plus, Amped A20 Pro, Amped A18 Comp, Amped A20 Comp, Sur-Ron Hyper Bee and selected RFN Warrior or EBOX models | Taller children and experienced young riders |
| 150cm+ | 20-inch crossover bikes, 24-inch youth bikes and larger electric off-road machines | Revvi 20 Plus, Revvi 24, Amped A20 Comp, Amped A24 Comp, Sur-Ron Hyper Bee, Light Bee X, Ultra Bee, EBOX and Electro & Co models | Taller teenagers, experienced riders and adults |
Height Is Only the Starting Point
Confidence, inseam, strength, riding ability and previous experience matter just as much as overall height. A nervous rider may be better on a smaller and lighter bike, while an experienced rider may be ready to move into the next category sooner.
Electric Bikes for Riders Under 105cm
Small, lightweight starter bikes designed to build balance and confidence.
Riders under 105cm usually need the smallest and most manageable electric balance bikes. At this stage, maximum speed is not the priority. The focus should be on learning balance, throttle control, braking and basic bike confidence.
Best Bikes for Riders Under 105cm
- Revvi 12 — best beginner-friendly overall choice
- Amped A10 — excellent-value starter alternative
- STACYC 12eDRIVE — established lightweight starter alternative
Best for: younger first-time riders who need a compact and confidence-building electric bike.
Shop Bikes Under 105cmElectric Bikes for 105–120cm Riders
16-inch bikes for riders moving beyond the smallest starter models.
Riders between 105cm and 120cm are usually moving into 16-inch electric bikes. These models provide more room and stability while remaining manageable enough for younger riders developing throttle and brake control.
Best Bikes for 105–120cm Riders
- Revvi 16 — best beginner-friendly 16-inch choice
- Amped A16 — strong-value all-round starter bike
- Revvi 16 Plus — best overall progression choice
- Amped A16 Pro — best for confident riders wanting more performance
- STACYC 16eDRIVE Brushless — lightweight 16-inch alternative
- RFN Warrior — motocross-style option for appropriately sized, confident riders
Best for: riders stepping into 16-inch bikes and building confidence before moving onto larger youth models.
Shop Bikes for 105–120cm RidersElectric Bikes for 120–135cm Riders
Larger youth bikes offering more space, suspension and progression potential.
Riders between 120cm and 135cm are often ready for larger youth bikes and more capable progression models. The correct choice depends on whether the rider needs a manageable step up or a more performance-focused bike with increased speed and suspension.
Best Bikes for 120–135cm Riders
- Revvi 16 XL — best step up from smaller 16-inch bikes
- Revvi 18 — best manageable larger youth bike
- Amped A20 — best-value all-round progression option
- Amped A20 Pro — strongest all-round choice for confident riders
- Amped A18 Comp — compact full-suspension option for experienced riders
- STACYC 16eDRIVE ELITE — lightweight performance-focused 16-inch alternative
- RFN Warrior SX-E500 / SX-E700 — motocross-style progression choices for confident riders
Best for: riders who have outgrown smaller starter bikes and need more room, capability and long-term progression potential.
Shop Bikes for 120–135cm RidersElectric Bikes for 135–150cm Riders
Larger 20-inch bikes and compact high-performance machines.
Riders between 135cm and 150cm usually need more room than smaller youth bikes can provide. This category includes manageable 20-inch progression bikes, full-suspension Comp models and selected compact electric dirt bikes for experienced riders.
Best Bikes for 135–150cm Riders
- Revvi 20 — best all-round choice for many riders in this height range
- Revvi 20 Plus — best higher-performance Revvi option
- Amped A20 — strong-value choice for lighter or less experienced riders
- Amped A20 Pro — compact performance option for confident riders
- Amped A18 Comp — compact premium-specification full-suspension option
- Amped A20 Comp — best for taller and more experienced youth riders
- Sur-Ron Hyper Bee — compact 8kW dirt bike for experienced riders
- EBOX V3 range — compact dirt-bike-style performance models
- EBOX Dragster range — low-slung electric mini bikes for confident riders
- RFN Warrior SX-E700 / SX-E800 — motocross-style alternatives where rider fit and experience are suitable
Best for: taller children and young teenagers who need more room, stronger performance and greater progression potential.
The high-performance bikes in this category are not suitable for every rider. Experience, strength, confidence and intended use must be considered carefully.
Where Does the Sur-Ron Hyper Bee Fit?
The 14/12 Sur-Ron Hyper Bee has a core rider-height range of approximately 135–160cm, a standard seat height of approximately 685mm and an adjustable setup range of around 665–705mm.
Its compact chassis makes it physically suitable for many riders across both the 135–150cm and 150cm+ categories. However, its approximately 39kg weight and 8kW performance mean it should only be considered for experienced and appropriately supervised riders.
A rider should be able to reach the controls comfortably, support the bike when stationary and manage its power without feeling intimidated.
Electric Bikes for Riders 150cm+
Larger youth bikes, crossover models and full electric off-road machines.
Riders over 150cm can begin considering larger 20-inch crossover bikes, 24-inch youth bikes and more substantial electric off-road machines. This category ranges from manageable progression bikes for taller teenagers to high-performance models for experienced riders and adults.
Best Bikes for Riders 150cm+
- Revvi 20 Plus — compact crossover option for lighter or less experienced riders
- Revvi 24 — best manageable larger youth bike
- Amped A20 Comp — compact full-suspension crossover option
- Amped A24 Comp — larger full-suspension 24-inch progression model
- Sur-Ron Hyper Bee — compact high-performance option, generally best up to approximately 160cm
- Sur-Ron Light Bee X — roomier lightweight electric dirt bike for taller teenagers and adults
- Sur-Ron Ultra Bee — larger motorcycle-style platform for experienced riders
- EBOX V3 range — compact performance bikes with an off-road riding position
- EBOX Dragster range — low-slung electric mini bikes
- Electro & Co ETM RTR range — high-performance electric trail machines
Best for: taller teenagers, experienced young riders and adults who need a larger chassis or increased performance.
Riders only just over 150cm may still prefer a lighter and more manageable model such as the Revvi 20 Plus, Revvi 24, Amped A20 Comp, Amped A24 Comp or Hyper Bee rather than immediately moving onto a taller and heavier full-size machine.
Riders approaching or exceeding approximately 160cm may find the Light Bee X considerably roomier than the compact Hyper Bee.
Shop Bikes for Riders 150cm+Should You Choose by Height or Age?
Age is useful for narrowing down the options, but height is normally more accurate for physical fit. Two children of the same age can require completely different bikes because of differences in height, inseam, strength and confidence.
Height Helps With
- Choosing the correct frame size
- Checking whether the rider can reach the ground
- Avoiding a cramped riding position
- Making the bike easier to balance and control
Experience Helps With
- Deciding how much performance is suitable
- Choosing between starter and performance models
- Knowing whether the rider is ready to size up
- Matching power and weight to ability
Should You Buy a Bike to Grow Into?
A small amount of growing room is sensible, but buying the largest possible bike is not always the right choice. A bike that is too tall, too heavy or too powerful can make a rider nervous and slow down their progression.
Consider Sizing Up If...
- The rider is already confident
- They are physically strong enough
- They can reach the ground safely
- They have previous powered-bike experience
- They are quickly outgrowing their current bike
Do Not Size Up If...
- The rider is nervous or inexperienced
- The bike feels too heavy
- They struggle to stop, balance or turn
- They cannot comfortably reach the ground
- The additional power would be intimidating
Our Honest Verdict
Under 105cm: start with the Revvi 12, Amped A10 or STACYC 12eDRIVE.
105–120cm: consider the Revvi 16, Amped A16, Revvi 16 Plus, Amped A16 Pro or STACYC 16eDRIVE Brushless.
120–135cm: the Revvi 16 XL, Revvi 18, Amped A20, Amped A20 Pro, Amped A18 Comp and STACYC 16eDRIVE ELITE are the main options.
135–150cm: the Revvi 20, Revvi 20 Plus, Amped A20 Pro, Amped Comp models and selected compact dirt bikes provide the clearest progression.
150cm+: consider the Revvi 20 Plus, Revvi 24, Amped A20 Comp, Amped A24 Comp, Sur-Ron, EBOX and Electro & Co ranges according to experience, physical fit and intended use.
Shop by Wheel Size
12-Inch Electric Bikes
For smaller first-time riders.
16-Inch Electric Bikes
For growing riders and smooth progression.
18-Inch Electric Bikes
For confident riders needing more room.
20-Inch Electric Bikes
For taller and older youth riders.
Related Buying Guides
Best Kids Electric Bikes UK
Compare leading bikes by age, size and experience.
Electric Bike Buying Guide
Learn how to choose the correct bike and specification.
Shop Electric Bikes by Age
Compare models using age, confidence and ability.
Best Revvi Bike by Age
See which Revvi model and wheel size fits best.
Electric Bike Height Guide FAQs
Is height more important than age when choosing a kids electric bike?
Height is usually more useful for checking physical fit. Age remains helpful for understanding likely ability, but rider confidence, strength and previous experience must also be considered.
What electric bike is best for riders under 105cm?
Riders under 105cm generally suit compact starter bikes such as the Revvi 12, Amped A10 or STACYC 12eDRIVE.
What bike is best for 105–120cm riders?
Riders between 105cm and 120cm generally suit 16-inch bikes such as the Revvi 16, Amped A16, Revvi 16 Plus, Amped A16 Pro or STACYC 16eDRIVE Brushless.
What bike is best for 120–135cm riders?
Riders between 120cm and 135cm may suit the Revvi 16 XL, Revvi 18, Amped A20, Amped A20 Pro, Amped A18 Comp or STACYC 16eDRIVE ELITE.
What electric bike is best for riders between 135cm and 150cm?
The Revvi 20 is the best all-round choice for many riders between 135cm and 150cm. Compact options include the Amped A18 Comp and Amped A20 Pro, while confident riders may suit the Revvi 20 Plus or Amped A20 Comp. Experienced riders can also compare the Sur-Ron Hyper Bee, selected RFN Warrior bikes or compact EBOX models.
What rider height is the Sur-Ron Hyper Bee designed for?
The core rider-height range is approximately 135–160cm. Physical fit must still be checked alongside experience, strength and the ability to manage its approximately 39kg weight and 8kW performance.
What electric bike is best for riders over 150cm?
Riders over 150cm may suit the Revvi 20 Plus, Revvi 24, Amped A20 Comp, Amped A24 Comp, Hyper Bee, Light Bee X, Ultra Bee, EBOX or Electro & Co models. The best option depends on the rider's size, experience and intended use.
Should I buy a bike for my child to grow into?
A small amount of growing room is sensible, but buying too large can reduce confidence. The rider should be able to balance, stop, turn and operate the controls comfortably.
What if the rider is between two height categories?
Use confidence, inseam and experience as the deciding factors. Nervous or inexperienced riders are usually better staying with the smaller category, while confident and experienced riders may be ready to move up.