Joined: Mar 2012
Posts: 2,846
Likes: 21
From: finland,baltimore
Bikes: hans lutz, , puch mistral ultima,2x Austro Daimler Smoked chrome Ultima,Austro Daimler Mixte,Austro Daimler 531 mixte, flying arrow,F Moser,
no offence black bullet...
Aluminum is just a stiff material, and its brittle
you should look into a lightweight cr-mo frame possibly
much more strength and flex.