If you want to shorten the gearing the easiest way, change to a smaller compensator sprocket. I have a 23 that I took out to install a 22 from Baker ...

Which model Shinko?

Sidecar Dave - are you saying you got 19,00 miles from the rear Excelsior Stahl sport radial, while pushing a sidecar? what pressure are you running?...

frame changed in 09 with the wide tire

that's first on my list. I'll verify vehicle alignment again before I do the sidecar.