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

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.

Comments

plum - 05/19/10 - 3:53pm

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.

plum - 05/19/10 - 3:55pm

That pushbutton actuation has Paul Walker written all over it.

[...] couple weeks ago we posted about the electric motorized Gruber Assist retrofit kit that can turn many bikes into e-bikes without frame [...]

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