As far as i am aware you would only need to change the front derailleur, if you change to mtb shifters your rear derailleur should still work fine, but the front has a different pull ratio.
@Nbenja3 started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
As far as i am aware you would only need to change the front derailleur, if you change to mtb shifters your rear derailleur should still work fine, but the front has a different pull ratio.