This is a Replacement Bowflex / Schwinn Power Adapter Part Number 1000512717 / 8015921 Used on the Following Models Listed Below.

Bowflex -
C6 - 100894
M3 Max Trainer - 100358
M3 Max Trainer, Single Box - 100580
M5 Max Trainer - 100359
M5 Max Trainer, Single Box - 100702
M6 MAX TRAINER, SINGLE BOX - 100801
M7 MAX TRAINER, SINGLE BOX - 100779
M8 MAX TRAINER, SINGLE BOX - 100802
MAX TRAINER M6 - 100755
Max Trainer M7 - 100469
MAX TRAINER M8 - 100756
MAX TRAINER M8 PERFORMANCE PACK - 100813

Schwinn -
CLASSIC CRUISER - 100735 
CLASSIC CRUISER AND ACCESSORIES BOX - 100769 
IC4 - 100873