Originally Posted by VonWegener
An "external' regular throttle for a 1" handlebar uses a 1-1/8" grip. On the clutch side you will have to improvise and make a sleeve. To cover the step I would use a handlebar ring that simulates the chrome ring on a set of internal bars. Either Kustom Tech in Italy or Hammer Sycle in Japan make those. I have them in stock
Right on Mike! Thanks for the lead!