i know Di2 would be way more fun but...
http://www.ebay.co.uk/itm/Shimano-Dura-Ace-7700-STI-brake-gear-shifter-9-Speed-/300721597734?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item4604676d26#ht_500wt_1204
i'm fairly sure 9/10 speed stuff will be compatible anyway. I have 9speed campag shifters and mechs working with a 10 speed shimano chain and casette. it works fine and means i can swap wheels between my 2 bikes regardless of the groupset.
@4idan started
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i know Di2 would be way more fun but...
http://www.ebay.co.uk/itm/Shimano-Dura-Ace-7700-STI-brake-gear-shifter-9-Speed-/300721597734?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item4604676d26#ht_500wt_1204
i'm fairly sure 9/10 speed stuff will be compatible anyway. I have 9speed campag shifters and mechs working with a 10 speed shimano chain and casette. it works fine and means i can swap wheels between my 2 bikes regardless of the groupset.