Looking under the hood of Shimano Di2
Welcome back to the CyclingTips Nerd Alert podcast! This week tech editor Dave Rome chats about the things to know with Shimano\u2019s new Di2 12-speed shifting and how it differs from previous generations.\nAnd what better guest to speak to about common issues, limitations, fun features, and things to look out for than the Di2 nerd himself, Terry Seidler of\xa0BetterShifting.com.