Re: A new follower.
Welcome to the forum. I'm not sure of your shifter configuration, handle bar length or other details but I retained my twist shifter on my Schwinn Jaguar simply by sliding it all the way to the first bend in the bars which left me just enough room for my throttle/kill switch. You might not have that luxury due to shorter handle bars but replacing them with longer ones might solve your problem.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"