10 speed shifter pair - is a new front derailleur needed?

antonyelliot
antonyelliot Posts: 14
edited August 2012 in MTB workshop & tech
hi

im upgrading to 2x10

ive ordered new cassette, rear mech, chain and a pair of the new slx ispec mount shifters to tidy up the bars by fitting in with my slx brake clamps

im keeping the existing '9 speed' crankset - do i need a new front derailleur to be compatible with the new shifters or are the pull ratios the same?
cheers
ant

p.s. anything you think ive forgotten about let me know

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