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electric bike retrofit


Gruber Assist auxiliary drive turns nearly any bicycle into an ebike

Bicycles can be a great way to reduce fuel consumption. They are efficient, relatively inexpensive, easy to store and care for and are often a fun way to score a little exercise while also getting you where you need to go. Of course, it's not always practical to pedal, which is one big reason that electric bikes are gaining in popularity so quickly. What if you've already got a good bike but would like to add a bit of electric assistance? Enter the Gruber Assist, a new retrofit ebike system that fits into any standard 31.6mm seatpost. A small ... Read more →

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