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How to choose an e-bike: motor, battery and the law

This guide explains what EU law counts as an e-bike and what is already a moped, how to read battery capacity and motor position, which type of bike to pick and what costs least in total today.

Publié le 8 octobre 2026 · mis à jour le 8 octobre 2026 · les prix du texte sont ceux du jour

Trois choix selon le budget

Parmi les prix vérifiés du jour : dans le tiers bas, moyen et haut, le produit au meilleur score forDeal. Prix en direct, livraison comprise.

Les choix comparés

ModèleTotal aujourd’huiBoutiquesNote de la boutiqueScore forDeal
Petit budgetTrek FX+ 2 2023 XL black30 280 CZK14,6 / 5 · M1 sport63 / 100
Bon compromisTrek Fuel EXe 9.8 GX AXS XL 2023 XL blue110 492 CZK14,6 / 5 · M1 sport56 / 100
Sans compromisTrek Rail+ 8 Gen 5 2025 S black127 492 CZK14,6 / 5 · M1 sport57 / 100

Les prix en graphiques

Combien de produits par tranche de prix aujourd’hui
10jusqu'à 75 000 CZK2775 000 CZK – 150 000 CZK1plus de 150 000 CZK

Totaux livraison comprise, offres vérifiées uniquement.

Trek FX+ 2 2023 XL black : prix depuis le 7 octobre 2026
29 990 CZK7 oct.8 oct.9 oct.

What the law counts as an e-bike

EU Regulation No 168/2013 does not treat as a motor vehicle a pedal-assisted cycle whose motor has a maximum continuous rated power of 250 W, assists only while pedalling and cuts out progressively and finally by 25 km/h. Such an e-bike needs no type approval, registration or driving licence.

Bikes assisting faster or stronger (speed pedelecs up to 45 km/h) fall outside this exemption; they are category L vehicles with type approval and all the duties that brings.

What to look at

  • Bike type: city and trekking for roads and firm paths, mountain (hardtail or full suspension) for off-road.
  • Mid motor (at the pedals): a balanced bike and natural pedalling, better uphill. Hub motor: cheaper and simpler.
  • Battery (Wh): capacity in watt-hours sets the range. Real range depends on assistance level, hills, rider weight and temperature; makers state a span.
  • Removable battery: charge it at home when the bike lives in a cellar or on a balcony.
  • Frame size: by height and inside leg, the maker has a chart; a wrong size is not fixed by a motor.
  • Brakes: hydraulic disc brakes are standard on a heavier e-bike.
  • Service: availability of service for that motor and battery; a spare battery is among the dearest parts.

Price bands today

The lowest band holds city e-bikes with a hub motor and a smaller battery. The middle band holds trekking and city bikes with a mid motor. At the top are full-suspension e-MTBs with a large battery and quality components.

Recommended models

Bracketed prices are today's totals including shipping; e-bikes often ship as bulky goods.

ModelTypeFor whom
Hecht Runnis (dès 14 990 CZK)City e-bikeThe cheapest entry, short trips in town
Hecht Compos XL (prix en cours de relevé)E-bikeA comparison with brand bikes
Trek FX+ 2 (dès 30 280 CZK)City and fitness e-bikeCommuting, a light bike
Trek Fuel EXe 5 (dès 81 991 CZK)Full-suspension e-MTBOff-road with a natural ride feel
Trek Rail+ 8 Gen 5 (dès 127 492 CZK)Full-suspension e-MTBDemanding terrain, long rides

Price history

29 990 CZK7 oct.8 oct.9 oct.

Older model years (bikes carry the year in the name) are often cheaper in autumn and winter; check it is a new bike, not an ex-demo.

Common mistakes

  • Buying by motor power; above 250 W or with assistance beyond 25 km/h it is no longer an ordinary e-bike under EU law.
  • Comparing bikes of different frame sizes; the size is often right in the offer title (S, L, XL).
  • Trusting the maximum range; expect less, especially in winter and hills.
  • Not counting bulky shipping and the first service.
  • Leaving the battery out in the frost and charging it cold.

Questions fréquentes

Do I need a licence or a number plate for an e-bike?

No, if it is a pedal-assisted bike up to 250 W whose assistance cuts out by 25 km/h. Faster bikes are category L vehicles with other rules.

How far will I get?

It depends on battery capacity (Wh), assistance level, hills, weight and temperature. Makers state a span; expect less in winter.

Mid motor or hub motor?

A mid motor is better uphill and off-road and rides more naturally. A hub motor is cheaper and enough for a flat town.

Must I wear a helmet?

Cyclists under 18, yes. The law does not require one for adults, but at e-bike speeds it pays.

Sources

Fordeal touche une commission lorsque vous achetez via un lien ; cela ne change jamais l'ordre des offres. Chaque prix porte son heure de relevé sur la page du produit.

Produits cités dans ce guide

Les totaux les plus bas du jour, livraison comprise, chez des boutiques notées.