Concept2 Forum

FTP ramp test on Concept 2 (by EXR): 2min Warm up 1min intervals at: 2:58 (60W) 2:43 (80W) 2:32 (100W) 2:23 (120W) 2:16 (140W) 2:10 (160W) 2:05 (180W) 2:01 (200W) 1:57 (220W) 1:53 (240W) 1:50 (260W) increase 20 W per minute till failure. Multiply the last sustained interval power by 0.65 to get the ...

That’s correct. Here is the response from Concept2 customer service: Firmware version 211 is the most current version of firmware available for your PM5 (hardware 903). The firmware range numbers below the word "RowErg" are the range of possible (not even released yet) firmware for your PM5. As we r...

Mine has a hardware version 903 and doesn’t go above firmware 211. I bought my rowing machine on Nov. 2020. I’m guessing Concept2 is rolling newer PM5 hardware that can install firmware 254.