Woom Explore e 5 children's e-bike testFull power for the kids

Stefan Frey

 · 03.10.2025

To school, to sports, to friends - the Woom Explore e 5 with hub motor is designed to enable children aged 7 and over to cycle further distances
Photo: Stefan Frey

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The Explore e 5 is Woom's first e-bike for kids. The children's e-bike rolls on 24-inch wheels and has a lightweight aluminium frame. The 250-watt hub motor from Mahle is designed to help young riders in everyday life and make longer tours and climbs easier. The Woom Explore e 5 in the test.

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Our home town is hilly and we have set ourselves the goal of travelling as many routes as possible by bike. This also applies to our children. Our kids cycle to school - in all weathers. Shopping at the supermarket? We do it on two wheels. Swimming pool by bike? That makes sense. But it gets more difficult when it comes to getting to the sports centre. The football pitch is a good five kilometres away - training for our little one takes place twice a week. The older one has to go to the parkour, but the hall is 4 kilometres and almost 100 metres away and the motivation to work up a sweat before training is not exactly great. There are no hills on the way to the grandparents, but 20 kilometres is quite a challenge for an under-ten-year-old.

Could an e-bike suitable for children be the solution? So far, we've been reluctant to use bikes with motors, fearing that we might be spoiling the kids. How are we ever going to motivate the kids to pedal on their own once the wind is whistling around their noses, supported by the power of the e-motor? Nevertheless, we were persuaded to take up Woom's offer: Why don't you try our new Woom Explore e children's e-bike, the email said. Ok, let's have it.

To school, to sports, to friends - the Woom Explore e 5 with hub motor is designed to enable children aged 7 and over to cycle further distancesPhoto: Stefan FreyTo school, to sports, to friends - the Woom Explore e 5 with hub motor is designed to enable children aged 7 and over to cycle further distances

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The first e-bike for kids

With the Explore e, Woom is venturing into a new segment and presenting its first e-bike for children. The 24-inch bike is aimed at young cyclists between the ages of 7 and 11 with a height of 125 to 145 centimetres. It is based on the aluminium frame of the non-motorised Woom Explore 5, which has been modified for use as an e-bike. The Explore e weighs in at 12.7 kilograms.



Child-friendly electric drive from Mahle

A 250-watt hub motor from Mahle is used as the drive. According to Woom, the XS30 motor is designed to provide harmonious and intuitive assistance that supports children's natural movements. There is a choice of three support levels, which can be controlled directly on the battery or via a smartphone app. There is deliberately no display on the handlebars to avoid distractions during the ride. As with the adult bikes, the maximum assistance speed is 25 km/h.

The Mahle motor delivers 250 watts and pushes the lightweight kids forward with plenty of oomphPhoto: Stefan FreyThe Mahle motor delivers 250 watts and pushes the lightweight kids forward with plenty of oomphChecking the battery status, tracking journeys and configuring support levels - all via the Mahle appPhoto: Stefan FreyChecking the battery status, tracking journeys and configuring support levels - all via the Mahle app

Battery in bottle cage format

The 171 watt-hour battery is positioned on the down tube like a water bottle and can be removed for charging or transport. With a weight of 1.2 kilograms, the battery weight is manageable. Woom specifies a range of up to 50 kilometres at the lowest support level on flat terrain. The battery is charged in a stylish charging cradle, which is connected to the socket via a USB-C cable.

The battery weighs around 1.2 kilos and provides power for a maximum distance of 50 kilometresPhoto: Stefan FreyThe battery weighs around 1.2 kilos and provides power for a maximum distance of 50 kilometresThe three support levels are selected directly on the battery. This is a little tricky while riding. The Woom also lacks a water bottle positionPhoto: Stefan FreyThe three support levels are selected directly on the battery. This is a little tricky while riding. The Woom also lacks a water bottle positionThe battery is placed in the stylish charging cradle for chargingPhoto: Stefan FreyThe battery is placed in the stylish charging cradle for charging

Versatile use thanks to functional components

The equipment of the Woom Explore e 5 is not spectacular, but functional. An 8-speed microSHIFT gear system with trigger shifters ensures a sufficient gear range. Hydraulic disc brakes from Promax with 160 millimetre discs at the front and 140 millimetre discs at the rear should provide reliable deceleration even at higher speeds. The 24-inch wheels are fitted with 2-inch wide Billy Bonkers folding tyres from Schwalbe, which roll well on asphalt and also offer sufficient traction on gravel.

The 8 gears of the Microshift in combination with the motor power are absolutely sufficient in most casesPhoto: Stefan FreyThe 8 gears of the Microshift in combination with the motor power are absolutely sufficient in most casesGears are shifted using a trigger lever. The front gear lever is operated somewhat unusually with the index finger. To do this, you have to take your finger off the brakePhoto: Stefan FreyGears are shifted using a trigger lever. The front gear lever is operated somewhat unusually with the index finger. To do this, you have to take your finger off the brakeThe large brake lever can easily accommodate two children's fingers. The braking performance is decentPhoto: Stefan FreyThe large brake lever can easily accommodate two children's fingers. The braking performance is decent


Ergonomics and geometry for child-friendly use

Woom emphasises that the frame geometry has been specially adapted to the needs of children aged between 7 and 11. A slightly stretched seating position is designed to offer comfort on longer tours. The handlebars are relatively wide at 580 millimetres. The saddle and grips have been ergonomically adapted to the target group. Practical details such as a quick-release saddle clamp and an adjustable stem make it easier to grow with the child.

The thin handles fit small hands well and have a slightly ergonomic support, but provide little cushioningPhoto: Stefan FreyThe thin handles fit small hands well and have a slightly ergonomic support, but provide little cushioningThe saddle sits comfortably even on long journeys and can be easily adjusted using the quick-release mechanismPhoto: Stefan FreyThe saddle sits comfortably even on long journeys and can be easily adjusted using the quick-release mechanism

Woom Explore e 5: Technical data

  • Weight: 12.7 kg
  • Frame size: 24 inch
  • Price: 1599 Euro (RRP) >> available here

Drive system

  • Motor: Mahle X30 electric motor (rear wheel hub)
  • Power: 250 watts
  • Support: up to 25 km/h
  • Battery: Mahle eX1 (removable)
  • Battery capacity: 171 Wh
  • Range: up to 50 km (in lowest mode)

Equipment

  • Brakes: Promax disc brakes 160/140 mm
  • Gearstick: Microshift Acolyte, 8-speed
  • Tyres: Schwalbe Billy Bonkers, 24 x 2.0
  • Crank: 130 mm length, 28 teeth
  • Operation: on the battery or via the Mahle SmartBike app

The first contact with the Woom Explore e

The first contact with the plain black Woom is cautious. "It doesn't even have a suspension fork!" grumbles our big boy. "Can I even ride through the meadow on these skinny tyres?" adds the little one, "and didn't you say the bike has a motor, Dad?"

Okay, you might have to briefly explain that the motor of the Woom Explore e is not located on the crank and the battery is not in the frame but disguised as a bottle in the bottle cage. But the kids do the rest themselves. They know how to charge the battery from the tablet. Plugging the small torpedo into the bike works intuitively and the small button that activates the "booster" is also quickly found. The bike is adjusted to the right size in just a few simple steps, thanks to the quick-release saddle clamp. Align the brakes and shift levers and off you go.

When plugging in the battery, it's a bit tight between the frame and the connectorPhoto: Stefan FreyWhen plugging in the battery, it's a bit tight between the frame and the connector

First round: Turbo mode

After a brief tussle, the big one hops onto the Explore e. After all, the hierarchy has to be respected. He quickly learns that purple means full power and not green. He presses the power button three times and the little one whizzes down the road - and a little later, he whizzes past us again with a big grin on his face. "It goes off like a rocket!" he roars and disappears behind the next bend at Vmax.



Over the next few days, we also do the unloved sports routes with the Woom and lo and behold - suddenly the climb to the parkour training is no longer so bad. The approach even turns into a race against dad. Of course, I'm clearly at a disadvantage when it comes to acceleration and I can't really pull the top speed joker either, because thanks to the acceptable weight and the easy-rolling tyres, the kids can accelerate the Woom beyond the motor limit of 25 km/h - as long as it stays flat.

In turbo mode, the Woom pushes hard, and the Mahle engine offers a little extra punch for a short time on steep sectionsPhoto: Stefan FreyIn turbo mode, the Woom pushes hard, and the Mahle engine offers a little extra punch for a short time on steep sections

Amazing turnaround on the long haul

It's the weekend and a visit to the grandparents is on the cards. The sun is shining and we spontaneously decide to take the opportunity for a long-distance test. It quickly becomes apparent that turbo mode is not the right mode for longer stages: pedalling three times, then letting it roll again, otherwise my legs whirl so fast that I'm afraid the poor boy next to me might take off. There's no flow that way. So we switch to Eco mode and are amazed that the slight assistance is enough to cover a decent distance at a good 20 kilometres per hour. And yet there's obviously still enough air left to chat to dad in staccato for an hour and a half. We chat about Lego technology motors, the upcoming trip to the school camp, take an ice cream break halfway and before we know it, we're already rolling into the grandparents' yard. That easy? I hadn't expected that.

Eco mode is more relaxed on long journeys because you don't constantly overshoot the assistance levelPhoto: Stefan FreyEco mode is more relaxed on long journeys because you don't constantly overshoot the assistance level

The conclusion after three weeks of testing the Woom Explore e

After three weeks with the Woom Explore e We can draw a surprisingly positive conclusion: we rode routes that we would have had to fight for with the normal bikes with a lot of persuasion. After the initial turbo enthusiasm, our kids were surprisingly often travelling in eco mode because they wanted to get out of breath themselves. And for the daily commute to school or for a ride with their mates, the e-bike was left in the garage as a matter of course.

We can't confirm that children would lose their desire for sport, exercise and exertion due to the motorised support. For us, the Woom Explore e was in most cases simply a good opportunity to leave the car behind and get out and about with our kids.

Everything tutto bene? Not quite

Despite all the praise, there is of course also some criticism. The kids would have liked a little more "freshness" in the choice of colour in particular - as with the other kids' bikes from the Austrians. For us parents, the battery check via app was particularly annoying. Otherwise, it is never clear how much juice is actually left in the little power pack. Operation while riding is also not ideal, as the children then have to take their hands off the handlebars to select the support level on the battery.

Thanks to motor support, the gear ratio of the 8 gears is also sufficient for longer climbs, but the trigger lever is not ideal for children's hands. We think that the Woom Explore e stem is particularly clever, as it not only fits until the child's next birthday, but also easily accommodates two growth spurts, thus relativising the rather high purchase price.

If you want to cover as many routes as possible by bike, the Woom Explore e 5 is the perfect buddy that will grow with you for a long time to come. Incidentally, our kids still like to ride without the e-supportPhoto: Stefan FreyIf you want to cover as many routes as possible by bike, the Woom Explore e 5 is the perfect buddy that will grow with you for a long time to come. Incidentally, our kids still like to ride without the e-support
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Stefan Frey is from Lower Bavaria and loves the mossy, loamy trails of the Bavarian Forest as much as the rugged rock of the Dolomites. For technical descents, he is prepared to tackle almost any ascent - under his own steam. As an accessories specialist, he is the first port of call for questions about equipment and add-on parts, while as head of copywriting he sweeps the language crumbs from the pages of the BIKE print editions.

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