Revvi 20 Top Speed: How Fast Does It Go?
The Revvi 20 has three selectable speed settings of approximately 10mph, 16mph and 22mph. Its highest setting makes it a serious youth off-road electric bike, while the lower modes give parents a sensible way to manage progression as the rider gains confidence.
Quick answer: the Revvi 20 reaches approximately 22mph
The Revvi 20 uses a 36V 800W brushless hub motor and offers three speed modes:
Slow: 10mph | Medium: 16mph | Fast: 22mph
Actual speed can vary with rider weight, battery charge, terrain, tyre pressure and riding conditions.
Revvi 20 speed settings explained
The three-mode setup is one of the Revvi 20's most useful features. Rather than giving the rider full performance immediately, the bike can be introduced gradually.
Slow setting
Best for the rider's first sessions, low-speed practice and becoming comfortable with the larger 20-inch chassis.
Medium setting
A useful general riding mode once throttle control, braking and basic cornering are consistent.
Fast setting
Full performance for experienced and properly supervised riders using suitable private off-road ground.
Is 22mph fast for a children's electric bike?
Yes. Approximately 22mph is a meaningful speed on a youth electric bike, especially when the rider is close to the ground and riding over uneven off-road terrain.
The Revvi 20 is aimed at older, taller and more confident riders rather than small children starting for the first time. Garland Powersports generally positions it for riders around ages 10–14 and approximately 140–165cm tall, although experience and physical fit matter more than age alone.
What makes the Revvi 20 manageable is not just the selectable speed. The bike also has 20-inch wheels, full suspension and hydraulic disc brakes, giving it the chassis and stopping performance required for this level of speed.
How quickly does the Revvi 20 accelerate?
Top speed is only part of the riding experience. The Revvi 20's 800W hub motor also gives noticeably stronger acceleration than smaller models such as the Revvi 18.
Because it uses a hub motor, there are no gears or clutch to operate. Power is delivered through the throttle, allowing the rider to concentrate on balance, braking and line choice.
Acceleration will feel stronger when the battery is fully charged and the rider is light. It may feel more gradual with a heavier rider, on soft ground, up a hill or as the battery charge reduces.
Why acceleration varies
- Rider weight and riding position.
- Battery state of charge.
- Hard ground compared with mud, sand or grass.
- Tyre pressure and rolling resistance.
- Gradient and wind conditions.
What the rider should master first
- Smooth throttle opening rather than sudden full throttle.
- Using both brakes progressively.
- Looking ahead rather than directly at the front wheel.
- Rolling off the throttle before corners.
- Keeping fingers ready over the brake levers.
Real-world Revvi 20 speed
The published settings are approximately 10mph, 16mph and 22mph. They should be treated as target maximums rather than a guarantee that every rider will see exactly the same GPS figure.
A lighter rider on firm, level ground with a fully charged battery is most likely to get close to the quoted maximum. A heavier rider on wet grass, mud or an incline may see a lower speed.
| Factor | Likely effect on speed |
|---|---|
| Fully charged battery | Best chance of reaching the quoted maximum speed and strongest acceleration. |
| Low battery charge | Performance may feel softer and maximum speed may reduce. |
| Heavier rider | Usually reduces acceleration and may reduce top speed, particularly uphill. |
| Soft or muddy ground | Increases rolling resistance and uses more battery power. |
| Low tyre pressure | Can make the bike feel slower and less efficient. |
| Cold conditions | Lithium battery performance and runtime may temporarily reduce. |
| Uphill riding | Reduces speed and increases demand on the motor and battery. |
Revvi 20 speed compared with other Revvi models
| Model | Motor | Approx. top speed | Best suited to |
|---|---|---|---|
| Revvi 18 | 36V 500W | Approx. 19–20mph | Smaller riders who are not yet ready for the 20-inch platform. |
| Revvi 20 | 36V 800W | Approx. 22mph | Older riders wanting balanced all-round performance. |
| Revvi 20 Plus | 48V 1000W, 1500W peak | Approx. 27mph | Experienced riders wanting stronger acceleration and maximum 20-inch performance. |
| Revvi 24 | 48V 1500W | Model-dependent performance for larger teenage riders | Taller riders who need a physically larger 24-inch chassis. |
The standard Revvi 20 sits in a useful middle position. It is clearly stronger than the Revvi 18, but it avoids the extra weight and more aggressive 48V performance of the 20 Plus.
Does rider weight affect the Revvi 20's top speed?
Yes. Rider weight affects both acceleration and the effort required to maintain speed. The Revvi 20 has a quoted maximum load of approximately 65kg, but a rider close to that limit may not experience the same acceleration as a much lighter rider.
This does not necessarily mean that the bike is unsuitable. It simply means expectations should be realistic, particularly on hills or soft ground. Physical fit, confidence and control remain more important than chasing the highest possible speed.
Does the battery level affect speed?
The Revvi 20 uses a removable 36V 7.5Ah lithium battery. Like most battery-powered vehicles, it will generally feel strongest when the battery is fully charged.
As the charge reduces, the bike may feel slightly softer under acceleration. Very low charge, cold temperatures or an ageing battery can make this more noticeable.
For the best performance, begin a riding session with a correctly charged battery, keep the battery stored appropriately and use only the correct compatible charger.
How long does the battery last at full speed?
Revvi quotes approximately 35 minutes of constant use in the fastest mode. The medium setting is quoted at around 1 hour, while the slow mode is quoted at approximately 1 hour 30 minutes of constant use.
| Speed mode | Approx. maximum speed | Quoted constant-use runtime |
|---|---|---|
| Slow | 10mph | Approx. 1 hour 30 minutes |
| Medium | 16mph | Approx. 1 hour |
| Fast | 22mph | Approx. 35 minutes |
These figures are for constant use. A normal riding session usually includes pauses, coasting and periods where the throttle is not fully open, so elapsed time at the riding area may be longer.
Can you make a Revvi 20 faster?
We do not recommend modifying the Revvi 20 beyond its intended specification to increase speed. Changes to the controller, battery, motor or wiring can create compatibility, reliability, safety and warranty issues.
The bike is designed as a complete 36V system, with its brakes, battery and electrical components matched to the standard performance. If a rider has genuinely outgrown the Revvi 20's performance, the safer route is to choose a model designed for a higher output, such as the Revvi 20 Plus.
Is the Revvi 20 too fast for a beginner?
For a complete beginner with no powered-bike experience, the Revvi 20 may be physically large and its full 22mph setting may be excessive. However, the lowest 10mph mode provides a much more controlled introduction for a rider who is physically large enough to manage the bike.
The rider should be able to reach both brake levers, support the 23kg bike at low speed and understand how to close the throttle immediately. A smaller Revvi may still be the better choice when fit or confidence is uncertain.
- Begin on flat, open private ground.
- Use the lowest speed setting first.
- Practise stopping before increasing speed.
- Use suitable protective equipment, including a correctly fitted full-face helmet.
- Maintain close adult supervision.
Revvi 20 braking and control at 22mph
The Revvi 20 uses hydraulic disc brakes front and rear. This is an important part of the package because stronger acceleration and higher speed require predictable stopping performance.
Before each ride, check that both brakes operate correctly, the levers feel firm and the rider can reach them comfortably. Brake discs should remain free from oil, grease and chain lubricant.
The rider should learn to reduce speed before turns rather than entering a corner on the throttle and braking suddenly. Smooth inputs are safer and usually make the bike faster around a track than simply using full throttle wherever possible.
Where can the Revvi 20 be ridden?
The Revvi 20 is intended for off-road use on suitable private land with the landowner's permission. It is not a road-legal electric bicycle and should not be used on public roads, pavements or public cycle routes.
Choose an area appropriate to the rider's experience, without traffic, pedestrians or uncontrolled hazards. The faster modes need more space for acceleration, braking and safe changes of direction.
Is the Revvi 20 fast enough?
For most riders in its intended age and height range, yes. The 22mph maximum is enough to remain exciting while the three speed settings provide room for gradual progression.
The Revvi 20 is best viewed as the balanced option. It is not designed to win a specification battle against every higher-powered 20-inch bike. Its advantage is that it combines useful speed with manageable weight, hydraulic brakes, full suspension and strong UK parts support.
Choose the Revvi 20 when…
- 22mph is enough performance for the rider.
- You want smooth progression through three modes.
- The rider has outgrown an 18-inch bike.
- You prefer a lighter bike than the 20 Plus.
Consider the Revvi 20 Plus when…
- The rider already has substantial experience.
- They need stronger 48V acceleration.
- Premium adjustable suspension is important.
- The 27mph maximum is genuinely appropriate.
Related Revvi 20 guides and collections
Frequently asked questions
What is the Revvi 20 top speed?
The Revvi 20 has a quoted maximum speed of approximately 22mph in its fastest setting.
What are the three Revvi 20 speed settings?
The three settings are approximately 10mph, 16mph and 22mph.
Is the Revvi 20 faster than the Revvi 18?
Yes. The Revvi 20 reaches approximately 22mph, while the Revvi 18 is around 19–20mph. The Revvi 20 also has a stronger 800W motor.
Is the Revvi 20 Plus faster than the Revvi 20?
Yes. The Revvi 20 Plus reaches approximately 27mph, compared with approximately 22mph for the standard Revvi 20.
Does rider weight affect Revvi 20 speed?
Yes. Rider weight can affect acceleration and maximum speed, particularly on hills or soft ground.
Does battery charge affect top speed?
A fully charged battery usually gives the strongest performance. Acceleration may soften and maximum speed may reduce as the battery becomes depleted.
How long does the Revvi 20 battery last at full speed?
The quoted constant-use runtime in the fastest mode is approximately 35 minutes. Real-world runtime varies with rider weight, terrain, temperature and riding style.
Can the Revvi 20 be made faster?
We do not recommend modifying the electrical system to increase speed. If more performance is genuinely required, choose a bike designed for a higher output, such as the Revvi 20 Plus.
Is 22mph safe for a child?
It is serious speed and should only be used by a suitably experienced rider on appropriate private land, with protective equipment and adult supervision. The lower speed modes should be used while confidence develops.
Can the Revvi 20 be ridden on the road?
No. It is designed for off-road use on private land with the landowner's permission.
Our verdict on Revvi 20 speed
The Revvi 20's 10, 16 and 22mph settings give it a useful progression path. It can begin as a controlled 10mph bike while the rider learns, then provide significantly more performance without requiring an immediate upgrade.
For an older rider who wants a quick but manageable 20-inch electric bike, the standard Revvi 20 remains one of the strongest all-round choices.