I have a top hat adaptor that allows you to connect the rear sprocket to the 6 disc brake mounting holes on your rear wheel. This makes installation very easy. It is brand new and was never used. You can buy it new for $42+shipping. I want $30 and I will ship for free.
http://cgi.ebay.com/Motorized-Bike-...Cycling_Parts_Accessories?hash=item19b93f7c7e
http://cgi.ebay.com/Motorized-Bike-...Cycling_Parts_Accessories?hash=item19b93f7c7e