want to modify BMP to make it lighter and cleaner looking

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douglasseattle

New Member
Oct 5, 2010
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United States
I posted before in order to use the seatpost as mounting point (use a threadless handlebar stem)

I wish to put a dax 4.2 hp motor with the bmp kit. The steel channel is very heavy and excessively wide. Has anyone modified this kit? How much lighter did you get it?
 
rohmell

rohmell

Active Member
Jun 2, 2010
1,531
6
38
New York
The only modifications that I have done is add some additional mounting holes to the channel to make it more 'universal' , so that it will fit a wider variety of bicycles.

If you add holes to reduce weight, you run the risk of weakening the channel.
I think the channels that DAX has are made from aluminum, and are lighter in weight that the BMP steel channel, maybe you could switch over to a DAX channel.
 
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