New video trailer of Zumbi F44 with prototype Boosty electric motor system.
zumbi f44 trailer on Vimeo
http://www.zumbicyles.com and http://www.boosty.ch
film presented thanks to Rafal Zawada from http://www.bieguni.pl
zumbi f44 trailer on Vimeo
http://www.zumbicyles.com and http://www.boosty.ch
film presented thanks to Rafal Zawada from http://www.bieguni.pl