Which PowerTap cycling computers will work with the P1? Joule GPS+ Yes; shows pedal balance, etc. v.26 Joule GPS Yes; firmware update v.95 Joule 1.0 Yes/No; rider can get accurate power, except: cannot set crank arm length (default crank arm length = 172.5 ) does not show L/R pedal balance Joule 2.0 No Joule 3.0 No Little Yellow Cervo No Related articles How do I get the P1 pedals to work with a Garmin head unit? My pedal power meter died while performing a firmware update. How can I fix this? How do I update my firmware or my dual ANT+/BLE PowerCap? Will the P1 need to be calibrated? Will I still receive a power reading if one pedal loses battery power before the other?