• I recently bought a pair of MA40 laced to some Dura Ace 7400 hubs. Hubs take a 7 speed cassette (BSC screw on thread according to the previous owner). My existing groupset has 8 speed STI shifters. Would it be possible to just put an 8 speed cassette on the hub? Apparently, it would simply be a case of tweating the derailleur cable to take the 8 speed (as it's a 7 speed derailleur) according to a few websites....I had a look on Sheldon, but it was either too late last night or I couldn't follow what he was saying....

    Worst case scenario is I buy a new 8 speed derailleur, but that'll be cheaper than either a new set of wheels or a new set of STI shifters.

    If anyone has any knowledge about this, sharing this knowledge would be greatly appreciated!

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