The Stages Replacement Battery Door is a direct replacement for the original battery door or cover that came on your Stages power meter. This battery door also comes with a new factory O-ring. We recommend replacing the O-ring along with your new battery door.
The Stages Generation 1 power meter uses a slightly different size battery door and O-ring than does the Generation 2 and 3 power meters. If you are not sure which Generation you have, please refer to the comparison image on this page. Then, select the appropriate option in the drop down menu above when ordering.
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