Originally Posted by NoWhammies

Hmm. The more I read this thread the more I think I might benefit (or at least enjoy/have fun with) the wireless unit for Di2. What's the additional fee? $100?

Regarding firmware updates and whatnot, has there been any recent firmware updates to to the Di2 system? My bike was loaded/updated with all of the current firmware back when I bought it in June 2019.