Вообще-то, судя по описанию, и первого БОЛТа это тоже коснулось
https://support.wahoofitness.com/hc/...-Release-Notes
BOLT WB15-16473 - 31 October, 2023
Added: Ready to Ride menu screen
Added: Electronic shifting battery status now available as a data field
Fixed: Bug fixes and stability improvements
Known Issue: Shifter battery status shows "n/a" for some systems