An old Cybex 700 stationary bike stopped being useful as the control panel doesn't turn on.

There is a power socket but I don't know what power adapter to use: the user manual doesn't say, nothing I tried fits. What could be a compatible power plug?

  • P.s.: I think this question fits here and I've seen others like bicycles.stackexchange.com/q/37345/19258 . My understanding is that it's not a "shopping" or "product recommendation" question of the kind frowned upon bicycles.meta.stackexchange.com/questions/276/do-we-go-shopping bicycles.meta.stackexchange.com/questions/1215/… because it's not opinion-based, it's asking for a mere electrical fact. Please forgive me if I misunderstood the house rules!
    – Nemo
    Commented Aug 17, 2020 at 21:08
  • 3
    Generally there is often a voltage and polarity specification next to the power inlet, either a label or a relief print. May be hard to see, use a flashlight. Commented Aug 18, 2020 at 6:42
  • @Peter-ReinstateMonica Good point, but I've checked again and there's nothing of the sort. It might be on the bottom, but I'm not going to turn the bike upside down.
    – Nemo
    Commented Aug 19, 2020 at 18:43

2 Answers 2


Most information appears to have vanished from the official website, but other specifications suggest it's just a 12V power plug.

I've tested a universal power supply and 12 V, 1 A turned out to work fine with the Cybex 700. The correct plug was the green one in this model (6.3*3.0 mm).


For a R700 Cybex bike the power supply needs to be 12V 1A (higher is ok), and the plug is referred to as a TIP-C or generically the exact specifications are 2.5mm x 5.5mm barrell plug.

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