You could also do a double fixed cog with one of these disc mount cog things. Way easier and cheaper than reinventing the wheel and all.
Example:
http://urbanvelo.org/wordpress/wp-content/uploads/2012/03/broakland_disc_adapter.jpg
@young_gun started
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You could also do a double fixed cog with one of these disc mount cog things. Way easier and cheaper than reinventing the wheel and all.
Example:
http://urbanvelo.org/wordpress/wp-content/uploads/2012/03/broakland_disc_adapter.jpg