678 - Electronic shifting, Off-road 70.3 Success, and Kona Review by ZenTriathlon published on 2019-11-22T19:55:27Z I put electronic shifting on my mountain bike and then landed on the podium in a 5 hour long off-road triathlon! Listen in for what electronic shifting is like on a mountain bike and how it races. Airpod Pros review. Kona successes and mistakes by Alistar Brownlee, Lionel Sanders, Jan Frodeno, Lucy Charles, and Ann Hague. Mountain biking injuries. Broken foot, strained back. The secret ingredient in Frodeno's fuel - sodium alginate.