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  • I have had a few of them, here is my current one (below), I modified it to death in the interests of weight weenieism and beautification as they are a little clunky looking for me with the rubber covers and big chunky arms (like my 5th wife 'Debs')

    Do i need to get 10 speed specific thumb shifters, or will 9 spd ones do?

    A 9 speed shifter will be indexed for 9 speed so you can't use them (easily) on a 10 speed block - but you can twist the top ring thingy to switch off the SIS indexing so it becomes a friction shifter which allows you to use it on any block pitch you like (although you loose the luxury of indexing)

    Hope all that makes sense !

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