• I think my battery has died.
    Ultegra R8070
    Last few rides, shifting has been intermittent. Pressing the button several times eventually gets one shift and then finally the other day nothing, completely dead. No lights on the junction box, charger doesn't light up when plugged in.
    Swapped the battery wire, no change. All connections are checked and solid.
    Anyone had the same? The battery has 2015 written on it so I guess not bad going but a bit annoying as I've only had it a year myself and they aren't cheap

  • It's getting the bike all the way into work where the diagnostics and windows PC are that is the challenge. I'll take the battery in tomorrow and plug that in directly to see if anything comes up from that

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