Rider on a Stern' in the desert, going through a muddy puddle

25 Ah backpack battery

The Stern' 100 km

100 km range

BuyOn which terrain?

The Stern' 100 km, photo 1 of 5
The Stern' 100 km, photo 2 of 5
The Stern' 100 km, photo 3 of 5
The Stern' 100 km, photo 4 of 5
The Stern' 100 km, photo 5 of 5

All-terrain electric skateboard with 100 km range

Your Stern' 100 km

Go far, come back when you like.

100 km
range (depending on terrain)
1000 or 2000 W
motor in the rear wheel
35%
maximum gradient (2000 W)
17 kg
weight, without the backpack battery

In the box: Sternboard with fitted 1000 W or 2000 W motor, EDPM-compliant (front and rear LEDs, reflectors, horn), 25 Ah Backpack Battery, Backpack… see all 15 items

From €2,990or €249.17/month for 12 months · 0% fixed APR

Total amount payable €2,990 · total amount of credit €2,740.87 · fixed borrowing rate 0% · 12 interest-free instalments with Sternboard. Taking out credit is a commitment and it must be repaid. Check that you can afford the repayments before committing.

1Motor

*10% off every Stern' 2000 W, until 08/11/26 inclusive. Struck-through price: the lowest price charged in the 30 days before the offer.

Need help choosing? Compare the configurations
2The main accessoriesSee the other accessories
Total€2,990or 12 × €249.17 with Sternboard

Free delivery (worth €150), estimated by Wednesday 4 November · 2-year legal guarantee · 30-day returns

Can this Stern' handle your route? Map it →

Test ride before you buy: by appointment or at the Stern'Tour

Power

1000or2000W

Take on hills, sand and difficult terrain.

48 V direct-drive brushless motor in the rear wheel, up to 35% gradient. Also available in 1000 W (up to 25% gradient).

Rider on a Stern' in the desert, going through a muddy puddle
Bertrand · Sporty rider

Which terrain is this model for?

All-terrain, including hilly areas and loose ground (urban, forest or rocky off-road, snow (with the Snow Kit added), sand, mud...).

Range

100km

Ideal for long all-terrain rides.

48 V 25 Ah lithium-ion battery, recharged in 2.5 hours with the 10 A fast charger, or 5 hours with the included standard charger.

Two riders on Stern' boards at the foot of the sandy cliffs of the Bardenas desert
Geoffroy · Hiker

What is the real range of the 25 Ah battery?

About 100 km depending on the terrain and riding mode.

Waterproofing

IP67

Ride in the rain, mud or snow.

The motor and the electronics box are certified IP67 waterproof and submersible. The backpack protects the battery, and its optional rain cover protects the bag from the rain.

Stern' crossing a puddle in the sand and sending up splashes

Is this model waterproof?

Yes. The motor and the electronics box are certified IP67 waterproof and submersible. The backpack already gives the battery excellent protection, and its optional rain cover protects the bag from the rain.

Puddles

Where others slow down…

Rivers

…the Stern’ keeps going.

Lakes

A lake? We cross it.

IP67 waterproof

Rain, fords, torrents: we ride.

Choose my Stern’

Ground clearance

18cm

All-terrain, including hills and loose ground.

Urban, forest or rocky tracks, sand, mud, and snow with the Snow Kit. 10-inch wheels, extra-grip rear wheel 16 cm wide.

Rider seen from behind riding down a sandy slope on their Stern'

Is it compatible with the Snow Kit?

Yes. The Snow Kit turns your Stern' into an e-snowboard for winter.

Maximum load

120kg

Battery on your back: a lighter board, a far livelier ride.

Dual mechanical suspension, front and rear. The battery travels in a custom-made backpack, isolated from shocks and vibrations.

Two riders on a tarmac track between the dunes and the gorse
Romuald · Family rides

Is the backpack comfortable, given the motor's power?

Yes. The backpack is custom-made, the battery weight is spread ergonomically, and you soon forget it is on your back.

Compliance

25km/hEDPM-compliant

EDPM-compliant, designed and assembled in France.

Limited to 25 km/h, in line with the law: front and rear LED lights, reflectors, horn. 2-year legal guarantee of conformity on the whole product.

Two riders seen from behind on a gravel mountain track, among the fir trees
Pierre · Forest rides

They ride a Stern'

Jacques-Pierre · Professional
Corentin · Beach and surf

Compare the Stern' models

Stern' Urban

Range
City (20 km)
Battery
integrated
Weight
20 kg
Price
from €1,990or €165.83/month over 12 instalments

Stern' 50 km

Range
50 km
Battery
15 Ah
Weight
17 kg
Price
from €2,390or €199.17/month over 12 instalments

Stern' 75 km

Range
75 km
Battery
20 Ah
Weight
17 kg
Price
from €2,690or €224.17/month over 12 instalments

This Stern'

Stern' 100 km

Range
100 km
Battery
25 Ah
Weight
17 kg
Price
from €2,990or €249.17/month over 12 instalments

Compare all configurations in detail

What's included

The Stern'

  • Sternboard with fitted 1000 W or 2000 W motor, EDPM-compliant (front and rear LEDs, reflectors, horn)
  • Reversible foot bindings (goofy / regular)
  • LCD remote

The battery

  • 25 Ah Backpack Battery
  • Backpack
  • Fire-resistant safety bag
  • Patented safety cut-off leash

Charging

  • Power cable
  • 5A standard charger
  • 2× USB-C cables
  • USB/USB-C adapter
  • Universal USB cable

Tools and help

  • T-key & Allen key
  • Manuals, and step-by-step guides on the Tutorials page

The warranty

  • 2-year legal warranty of conformity on the whole product

Not included, optional: 10 A fast charger, Snow Kit

Technical specifications

100 km
range (depending on terrain)
1000 or 2000 W
motor in the rear wheel
35%
maximum gradient (2000 W)
17 kg
weight, without the backpack battery
120 kg
maximum load
2.5 h
charging time (10 A fast charger)
1000 W2000 W

Motor and performance

Type1000 W3-wheel EDPM-compliant e-board2000 WEDPM-compliant 3-wheel e-board
Motor1000 W1000 W – 48 V – 30 Nm torque – brushless direct-drive hub motor(Ø 10 inches, 16 cm wide, Hall sensors)2000 W2000 W – 48 V – 40 Nm torque – direct-drive brushless hub motor, up to 4 500 W peak(Ø 10 inches, 16 cm wide, Hall sensors)
Speed1000 WLimited to 25 km/h(in line with the law)2000 WLimited to 25 km/h(in line with the law)
Maximum gradient1000 Wup to 35%2000 Wup to 35%
Range1000 WUp to 100 km depending on terrain and riding style2000 WUp to 100 km depending on terrain and riding style
Battery1000 WLithium-ion 25 Ah – 48 V – 7 kg – connects with one clip2000 WLithium-ion 25 Ah – 48 V – 7 kg – connects with a single clip
Charging1000 W2h30 with 10A fast charger - 5h with standard charger(included)2000 W2h30 with 10A fast charger - 5h with standard charger(included)

Deck and chassis

Weight1000 W17 kg(without the backpack battery)2000 W17 kg(without the backpack battery)
Maximum load1000 W120 kg2000 W120 kg
Dimensions1000 W135 × 50 × 35 cm(length, width, height; deck 94 × 24 cm)2000 W135 × 50 × 35 cm(length, width, height; deck 94 × 24 cm)
Deck1000 W14-ply varnished wood – bamboo & Canadian maple2000 W14-ply varnished wood – bamboo & Canadian maple
Suspension1000 WDouble mechanical, front and rear2000 WDual mechanical, front and rear
Bindings1000 WNon-locking foot bindings, reversible(goofy / regular)2000 WNon-locking foot bindings, reversible(goofy / regular)
Wheels1000 WØ 10 inches – 16 cm ultra-grip rear wheel2000 WØ 10 inches – ultra-grip 16 cm rear wheel
Ground clearance1000 W18 cm2000 W18 cm
Materials1000 WReinforced stainless aluminium + high-quality semi-rigid TPU2000 WReinforced stainless aluminium + high-quality semi-rigid TPU
Grip1000 WNanofibre neoprene2000 WNanofibre neoprene

Electronics and compliance

Waterproofing1000 WIP67 – submersible(protected against dust and temporary immersion)2000 WIP67 – submersible(protected against dust and temporary immersion)
Controller1000 WProgrammable via the Sternboard mobile app2000 WProgrammable via the Sternboard mobile app
Fuse1000 W100 A2000 W100 A
Regulations1000 WEDPM-compliant(front and rear LEDs, reflectors, horn)2000 WEDPM-compliant(front and rear LEDs, reflectors, horn)

Use, warranty and manufacturing

Compatible terrain1000 WAll-terrain(urban, forest or rocky off-road...)2000 WAll-terrain, including hilly areas and loose ground(urban, forest or rocky off-road, snow (with the Snow Kit), sand, mud...)
Compatible accessories1000 WAll except off-road kits2000 WAll, including off-road kits
Warranty1000 W2 years, legal guarantee of conformity on the whole product2000 W2 years, legal warranty of conformity on the whole product
Manufacturing1000 WDesigned and assembled in France2000 WDesigned and assembled in France

Upgradable

Your Stern' grows with you

No need to take everything at once: your Stern' grows with your plans.

  • Power

    Stronger, later

    Start with 1000 W. More hills, more trails? Your Stern' can move up to the 2000 W motor.

    Today1000 WLater2000 W

  • In town

    No backpack in town

    The integrated battery fits every Stern' with a backpack battery, so you can ride in town without a backpack.

    TodayBackpackLaterIntegrated battery

Swipe to see both →

Ask us about an upgradeCompare configurations

What our customers say on Google

5.0 · 30 Google reviews

  • M ORHO

    ★★★★★ · 2 months ago

    J'ai aujourd'hui la chance d'avoir mon Stren grâce à la dévotion sans faille d'Adrien et Édouard. Déjà leur projet est dantesque mais après ils font tourner l'atelier avec tous les aléas de la production et enfin le SAV est géré avec humanité. J'ai beaucoup de fierté à circuler avec mon destrier. Il coche toutes les cases tant au niveau du design, de la puissance, la sécurité et l'originalité. Mon Stern a la magie du nuage de Songoku et la technologie de Batman. Merci à Adrien et longue vie à Sq Motors!

    Read on Google
  • Sorone Mist Armand

    ★★★★★ · 3 weeks ago

    Sternboard. Si vous voulez un moyen de déplacement ultra original, accessible, fiable, français, allez y les yeux fermés. Adrien, Edouard et l'équipe sont des gens dévoués. Niveau communication Adrien est super réactif et répondra à toute vos demandes avec plaisir, bref c'est le genre de service et de SAV que l'on voit rarement. Au niveau de la stern 2026 c'est une pépite, le frein mécanique ajoute un vrai confort et on s'y sens super bien. Sternboard Sq Motors est une entreprise qui mérite tout le soutient possible dans le milieu des EDPM. Merci Sternboard!

    Read on Google
  • thierry Formel

    ★★★★★ · a month ago

    Je suis adepte de tous les engins de déplacement électriques gyroroues, skate électrique et cette fabuleuse planche sternboard ! L'équipe qui l'a construite est à l'écoute et reste très réactive ! La planche : un couple moteur phénoménal (en bas d'une cote ca grimpe tout seul et pas avec mes autres skates) c'est étanche (on ne se pose pas la question du temps qu'il va faire) ca passe partout et on ne passe pas inaperçu et enfin une autonomie de folie et un confort de ride avec ses suspensions. bref un vrai bonheur ce truc ! merci d'avoir conçu ce formidable moyen de locomotion. Thierry de LYon

    Read on Google
  • o10s

    ★★★★★ · a year ago

    Alors je voulais prendre quelques kilomètres sur le Sternboard avant de laisser cette review. Voici donc mes points positifs et négatifs : Voici quelques points positifs : Le Sternboard est extrêmement solide, stable et rapide, renforçant la confiance en son utilisation, même sur terrains accidentés. Il passe absolument partout, des cailloux aux forêts remplies de racines, sans jamais que je me pose de questions sur sa capacité à passer. C'est libérateur. L'apprentissage est rapide ; j'ai pris le coup en quelques sorties et maintenant, ca vient tout seul. C'est extrêmement amusant ! La sensation de glisse et de vitesse est incroyable, l'expérience sous la pluie a été géniale, comme faire du surf. C'est un vrai bonheur, sans contrainte de temps ni de conditions ! L'équipe derrière le projet a fait preuve d'un grand professionnalisme pour livrer le produit en Suisse, ce qui n'est pas facile. Ils ont fait un effort supplémentaire et je les remercie beaucoup ! Cela attire l'attention dans la rue, ce qui est un plaisir supplémentaire ! Voici les points négatifs, qui sont pour le moment des détails qui rendraient le Sternboard parfait : La poignée de frein mécanique sur la télécommande devrait être inversée, comme sur une poignée de vélo, car dans l'état actuel le frein est trop éloigné de la poignée, ce qui peut poser problème pour des petites mains. De plus, un mécanisme de séparation rapide du frein faciliterait le chargement de la télécommande sans avoir à promener le Sternboard avec. La variété des types de chargeurs est un point négatif : un USB-C sur le phare (sans support de charge rapide) et un USB mini sur la poignée (un type d'USB plus ancien, difficile à trouver sur le marché). J'aimerais qu'il y ait une standardisation pour tous les appareils mobiles, cela simplifierait la recharge. Le phare avant, bien que détachable, pour moi, ne fonctionne pas normalement et j'attends un remplacement. La décision d'avoir une alimentation séparée et pas via la board est compréhensible, mais aurait pu être simplifiée. Un petit câble nécessaire pour la sécurité n'était pas inclus dans la boîte, mais ils m'ont assuré d'un remplacement. Voilà pour ma revue !

    Read on Google
  • Bao Nguyen (404 NOT FOUND)

    ★★★★★ · a month ago

    Le Sternboard répond totalement à mes attentes. Ultra intuitif, solide, avec de vraies sensations de snowboard et un sentiment de liberté incroyable. On a vraiment l’impression que le monde devient une immense piste de ski. Avec ses suspensions et son étanchéité, il passe partout, demande très peu d’entretien, l’autonomie est top et la maniabilité vraiment excellente. Franchement, aucun regret.

    Read on Google

Reviews published on Google, not verified by Sternboard; the reviews shown are the ones Google considers most relevant. See all reviews and leave your own

Frequently asked questions

What real range does this model have?

Up to 100 km depending on terrain, weight and riding mode.

Isn't the backpack too heavy?

No. The whole set-up stays ergonomic and well balanced, even over long distances. The weight is spread along the back so it feels lighter.

Can you ride for a whole day?

Yes. It is actually designed for that! It is the most enduring configuration in the Sternboard 1000 W range.

Is this model suitable for off-road?

Yes, for long adventures on stabilised tracks, rural roads, forest trails and wide paths. If you want to ride in hilly areas, go for a 2000W model, with guaranteed power.

How long does a full recharge take?

About 2 h 30 with the 10A fast charger. And 5h with the standard charger included with this configuration.

Does the Stern' need much maintenance?

No, it is very simple: mostly a rinse with a hose. Now and then, check a few screws and put some WD-40 on the bearings and the suspension. That's all.

Does the Stern' comply with French regulations?

Yes, from delivery: front light, red rear light, reflectors, horn, and speed limited to 25 km/h. Legal category: EDPM, the French category for powered personal transporters.

Does it need insurance, and how much does it cost?

Yes, like any electric vehicle: between €3 and €4 a month. Insurers now know the Stern', and we can give you a certificate of conformity to send them.

What about punctures?

It is very rare. At the front, standard 10-inch inner tubes: a quick spray of puncture sealant and you are off again. At the rear, the tyre is tubeless with sealant: it does not puncture. The tyres last thousands of kilometres.

How do I protect it from theft?

Lock it up like a bike, with a bicycle or motorbike lock. You can also fit an AirTag or its Android equivalent.

Is there room left in the backpack?

Yes, plenty. The bag is made to measure: there is room for a laptop for work, a water bottle or a picnic on a ride.