New to the forum.. 58 years old and I own 2 road bikes and 2 mountain bikes and now one year with my e-bike. A whole new sport.....Absolutely addicted to my e-bike. ...and addicted to my Speedbox 2.0. I have 3 sets of tires: 29x 2.6, 29 x 2.3 studded, and 700 x 40 for pavement only. I run a...