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Bottom Bracket Doping: The Invisible Gruber Assist e-Bike Retrofit

Written by Tyler Benedict
3 Comments
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Now if you could just get rid of that electric whine, the podium would be yours!  More videos and info on GruberAssist.com.

Via Rick Vosper.
Tyler Benedict
11,282 articles

Tyler Benedict is the Founder of Bikerumor.com, where he’s been writing about the latest bikes, components, and cycling technology for almost two decades. Prior to that, Tyler launched and built multiple sports nutrition brands and consumer goods companies, mostly as an excuse to travel and ride in new places.

Based in North Carolina, Tyler also loves the Vanlife & family adventure travel and is always on the lookout for the next shiny new part and off-grid adventure.

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14 years ago

I had no reason to doubt you when you said 31.6, but thanks for busting out the calipers and putting any possible concern over seatpost diameter to rest. WHEW.

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14 years ago

That pushbutton actuation has Paul Walker written all over it.

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