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Serious Bear Rock 27,5" Actual product image

Serious Bear Rock 27,5"


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General information

Manufacturer Serious
Product type Electric bikes

Electric bikes

E-bikes are becoming ever more popular: In Switzerland, one in seven bicycles sold is an electric bike. So-called Pedelecs, bicycles where the rider’s pedalling is assisted by an electric motor (up to 25km/h), are the most popular. But what types of transmission exist and what is the difference between them?
Front wheel motors are easy to install and relatively inexpensive. However, they offer less traction for hill starts and on unpaved roads compared to the other two transmission types. E-bikes with mid-drive motors offer well-balanced and safe cycling as their centre of gravity remains practically unchanged. Back wheel motors feature direct power transmission and good grip, thereby providing considerable security.

More information...

Item number8834612
May include power adapter Yes

This product may require a power adapter. If this is the case, a suitable adapter is included in the delivery.


Colour group
Colour designation

Target group

Target group

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Returns and warranty

Warranty 24 month Bring-in
30-day right of return

30-day right of return

Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

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Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.


Your bike 100% mounted ready to ride


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Serious Bear Rock 27,5" Serious Bear Rock 27,5"