73mm bottom bracket: Which power meter - Ergomo or SRM?

Discussion in 'Cycling Equipment' started by CycleFast, Dec 28, 2006.

  1. CycleFast

    CycleFast New Member

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    Hi guys,
    I really want to install a power meter on my MTB, a Scott Scale 20, http://www.scottusa.com/product.php?UID=9707).

    The bike has disc brakes, so that rules out PowerTap. I wanted to install an Ergomo on the bike, but I found out that Ergomo is only compatible with 68mm bottom brackets. I think the same goes for SRM.

    My MTB has got a BB-set with a 73mm shell. In addition, it has a Shimano FD-M760-E front derailleur (http://cycle.shimano-eu.com/catalog/cycle/products/component.jsp?PRODUCT%3C%3Eprd_id=845524441762913&FOLDER%3C%3Efolder_id=2534374302049695&ASSORTMENT%3C%3East_id=1408474395181667&bmUID=1167317793205), which adds another 2mm to the shell width because of the big ring (see the picture) that goes around the bottom bracket, between the crank axles and the bottom bracket itself.

    So, my question is, does any of you know if there is any way to install either an Ergomo or an SRM on my MTB with a shell width of 75mm?

    Or is there really no way to get a proper power meter on my bike?

    Thanks for any insights! :)
     
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