I know my wife’s back problems are not only due to riding. Her Electraglide did not have forward controls which she rode for 10 years. Se would ride my WideGlide as well as my Speedmaster before we got the America.
She has had 2 back surgeries in the past 20 years. Over simplified, it is her disks putting pressure on her sciatic nerve. She is currently doing physical therapy as well as steroid injections in her back every 120 days or so. She has felt really good now for the last 10 months, and does not want to take any chances. No bike riding, no snow skiing, bummer, two of my favorite things. She is very nervous about just riding on the back of the America. After seeing the pain she has been through over years, I don't blame her for being tentative about certain physical activities. Her bike riding days just might be over.
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Bob