Originally Posted by badger1

Thanks. I got off lucky, I think. My doc does some sports medicine stuff, and is a cyclist. In his opinion the outcome might have been worse, given my age, were it not for the fact that years of riding have given me pretty good muscle support for my arthritic knee(s). Think I'll milk that opinion for all it's worth, to help persuade Mrs. Badger to let me do my crabon wheel/Di2 drivetrain 'final upgrade' this year!