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E-MTB with Bosch CXThe Megamo Flame AL 20 on test - sporty charisma

Florentin Vesenbeckh

 · 21.12.2025

Megamo Flame AL 20 // Bosch Perf. CX // 600 Wh // 150/160 mm // 29 inch // 25.17 kg // 4599 Euro
Photo: Max Fuchs
Sporty charisma: The Megamo Flame AL 20 shows in the test that its origins lie in the marathon and racing sector. The Bosch CX motor provides the necessary drive in the long-distance tourer. The whole thing comes at an affordable price.
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The Spanish brand Megamo has only recently returned to mountain biking. The Spaniards have an eventful and successful history. In the 90s, the brand was also successful in racing, particularly in the trials and cross-country segment. These roots can also be felt to some extent in the Flame AL. The Bosch e-MTB from the Spanish brand's range. With a non-binding retail price (RRP) of 4599 euros, our test bike belongs to the entry-level class of trail-ready E-MTB fullys. In this league, every manufacturer has to calculate hard to put together a good package. How well do the Spaniards from Megamo manage this?

We carried out this test as part of a duel with the Megamo Flame AL 20. The other articles in this series can be found via the following links:

>> What can the entry-level Bosch eMTBs do? Two models around 4500 euros in the test

>> Comfortable all-rounder with Bosch CX: The Focus Jam² 6.7 on test

Megamo Flame AL 20 // Bosch Perf. CX // 600 Wh // 150/160 mm // 29 inch // 25.17 kg // 4599 EuroPhoto: Max FuchsMegamo Flame AL 20 // Bosch Perf. CX // 600 Wh // 150/160 mm // 29 inch // 25.17 kg // 4599 Euro

>> Good and cheap? E-MTB fullys from Canyon and Cannondale in a duel

>> Four all-mountain e-bikes around 6000 euros in a big comparison test

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Bosch Performance CX and battery options

Megamo relies on the Bosch Performance CX motor - with increased power: 100 Nm of torque and up to 750 watts of peak power have been available since the last software update. The 600 Wh battery can be folded forwards out of the down tube. An 800 Wh battery can also be fitted as an option. The bike with the large battery costs 200 euros more ex works. A fair surcharge. However, this also increases the weight of the bike by almost a kilo.

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The Bosch Performance CX delivers more than enough power with 750 W and 100 Nm.Photo: Max FuchsThe Bosch Performance CX delivers more than enough power with 750 W and 100 Nm.The battery is secured with a lock and can be easily folded forwards out of the down tube. Choice of 600 or 800 Wh.Photo: Max FuchsThe battery is secured with a lock and can be easily folded forwards out of the down tube. Choice of 600 or 800 Wh.

>> To the test of the Bosch Performance CX

>> More power thanks to software update: The Bosch Performance CX

Application area of the Megamo

The Megamo Flame AL 20 is not a playful trail speedster, but a long-distance runner. It feels at home on gravel, forest tracks and moderate trails - wherever efficiency counts. The suspension travel of 160 millimetres at the rear suggests a downhill enduro bike. The rear suspension is also really plush, but the geometry and spec make it clear that extreme terrain is not the focus of the Flame AL 20. Unusually, Megamo only equips the 160 mm rear with a 150 mm fork. Only the top model in the range comes with 160 mm at the front. Also striking: Megamo has installed a downward-sloping stem and very flat handlebars. This places the front far down and reinforces the touring, racier long-distance character.

The Bosch Purion 200 combines remote levers and a small but crisp display directly on the handlebars.Photo: Max FuchsThe Bosch Purion 200 combines remote levers and a small but crisp display directly on the handlebars.

The most important details of the Megamo Flame AL 20

  • Motor: Bosch Performance CX (100 Nm)
  • Battery: Bosch Powertube 600, removable (optional 800 Wh)
  • Spring travel: 150/160 mm
  • Wheel size: 29 inch
  • Frame material: Aluminium
  • Frame sizes: S, M, L
  • Weight: 25.17 kg (size L, measured in the BIKE lab)
  • System weight: 120 kg
  • Price: 4599 Euro (4799 with 800 Wh)

Geometry data

Measured in the BIKE test lab, size L: The seat angle is slack by modern standards. The flat cockpit with long stem significantly stretches the riding position.Photo: BIKE MagazinMeasured in the BIKE test lab, size L: The seat angle is slack by modern standards. The flat cockpit with long stem significantly stretches the riding position.

Price pressure on equipment

The features reflect the price pressure that every product manager has to face in this price range: The Shimano Cues 10-speed gearbox (tested here) and the favourable wheels are standard in this class. The Rekon tyres from Maxxis roll easily, but offer little grip off-road. The puncture protection is also only moderate. The Shimano MT420 brakes are absolutely solid with a defined pressure point. However, the ergonomics of the long levers are not ideal.

Flat handlebars, stem with a negative angle - this lowers the cockpit, despite the spacers under the stem. Unusual on classic E-MTBs in this suspension travel class.Photo: Max FuchsFlat handlebars, stem with a negative angle - this lowers the cockpit, despite the spacers under the stem. Unusual on classic E-MTBs in this suspension travel class.
SR Suntour Zeron 36 with 150 mm travel.Photo: Max FuchsSR Suntour Zeron 36 with 150 mm travel.
  • Suspension fork: SR Suntour Zeron 36, 150 mm / Edge Evo RS
  • Damper: SR Suntour Edge Evo RS
  • Circuit: Shimano CUES 6000, 10-speed, Linkglide
  • Brakes: Shimano MT420, 203/203 mm
  • Wheels / rims: Megamo SL 30
  • Tyres: Maxxis Rekon Exo, 29x2.5"
  • Seat post: Megamo dropper / 170 mm

>> Megamo Track Race AXS: Spanish race bike in the BIKE test

>> Gravelbike Megamo West: The second generation in check

>> SR Suntour Zeron 36 review: What can the budget suspension fork do off-road?

For an e-MTB with 160 mm rear travel, the tyres are surprisingly weak. Tame tread, moderate puncture protection: long distances come before downhill strength.Photo: Max FuchsFor an e-MTB with 160 mm rear travel, the tyres are surprisingly weak. Tame tread, moderate puncture protection: long distances come before downhill strength.Megamo has also thought of mounts for side stands and pannier racks.Photo: Max FuchsMegamo has also thought of mounts for side stands and pannier racks.Despite the tame profile, there is little tyre clearance in the rear triangle of the Megamo Flame AL 20.Photo: Max FuchsDespite the tame profile, there is little tyre clearance in the rear triangle of the Megamo Flame AL 20.

How the Flame AL 20 rides off-road

The Megamo Flame AL 20 presents itself as a sporty long-distance rocket. The stretched seating position with a low cockpit pulls the rider flat over the bike - perfect for efficient climbs and plenty of pressure on the pedals for long tours. On really steep and technical climbs, the rear-heavy riding position and low-profile tyres slow the bike down somewhat.

The sporty Flame AL feels at home on flat courses.Photo: Max FuchsThe sporty Flame AL feels at home on flat courses.

Downhill, another disadvantage of the efficient race set-up becomes apparent: due to the stretched riding position and the low cockpit, the bike feels a little unsteady and not ultimately secure on steep descents. On the other hand, the rear suspension works sensitively and absorbs big hits with ease, while the fork can't quite keep up. A shorter stem and high riser handlebar would make the riding position much more trail-orientated. The same applies to the tyres. The Rekon tyres only provide moderate grip and riding safety on loose surfaces. Here, too, it would be easy to improve the trail performance.

The Megamo Flame AL 20 feels at home on tours.Photo: Max FuchsThe Megamo Flame AL 20 feels at home on tours.

Evaluation of the Megamo Flame AL 20

The riding position of the Megamo Flame AL 20 is stretched in an E-MTB comparison. The reach is good and can be significantly increased with the optional 800 battery. The integrated cable routing and the flimsy frame protection cost points in terms of serviceability.Photo: BIKE MagazinThe riding position of the Megamo Flame AL 20 is stretched in an E-MTB comparison. The reach is good and can be significantly increased with the optional 800 battery. The integrated cable routing and the flimsy frame protection cost points in terms of serviceability.

Advantages

  • potent rear suspension
  • powerful Bosch motor

Disadvantages

  • rear-heavy seating position
  • 10-way stance
  • weak tyres
The Megamo Flame AL 20 in the BIKE test.Photo: BIKE MagazinThe Megamo Flame AL 20 in the BIKE test.

Conclusion on the E-MTB

The Flame AL 20 is the bike for sporty riders who love long tours and climbs. With a little fine-tuning, the trail performance of the Spanish E-MTB can be significantly improved. The good rear suspension has the right reserves for this. - Florentin Vesenbeckh, Deputy Editor-in-Chief BIKE Magazine
Florentin Vesenbeckh, Deputy Editor-in-Chief BIKE MagazinePhoto: Georg GrieshaberFlorentin Vesenbeckh, Deputy Editor-in-Chief BIKE Magazine
Florentin Vesenbeckh

Florentin Vesenbeckh has been on a mountain bike since he was ten years old. Even on his very first tour, he focussed on single trails - and even after more than 30 years in the saddle of an MTB, these are still the quintessence of biking for him. He spent his youth competing in various bike disciplines and later his cycling career was characterised by years as a riding technique coach. Professionally, the experienced test editor now focusses on e-mountainbikes. In recent years, the qualified sports scientist and trained journalist has tested over 300 bikes and more than 40 different motor systems in the laboratory and in practice.

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