Replacing Claris FD 2400 with R2000












1















My bike has a 2x8 speed Shimano Claris 2400 front derailleur and ST-2400 shifters. The FD is damaged. Can I replace it with the newer Claris R2000 FD? Shimano's compatibility guide indicates that it can be mated only to the ST-R2000 shifters. Is that really the case in practice? If it isn't, might I as well replace it with a Sora or Tiagra double FD (of the same stye/cable-pull)?
I understand how mix and match could be a problem with the rear FD because of different indexing but aren't all double FDs equal?










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  • 1





    I'm trying to find a source to confirm it, but I'd be inclined to say that they're incompatible. It looks like the front derailleur design has changed to resemble the 9000/6800/5800/4700 series FDs, which are only compatible with 11 speed or 4700 Tiagra shifters.

    – Carbon side up
    Mar 17 at 10:00











  • It's irritating that derailer manufacturers do not have a standard metric for "pull" so one can easily compare for shifter compatibility.

    – Daniel R Hicks
    Mar 17 at 20:16
















1















My bike has a 2x8 speed Shimano Claris 2400 front derailleur and ST-2400 shifters. The FD is damaged. Can I replace it with the newer Claris R2000 FD? Shimano's compatibility guide indicates that it can be mated only to the ST-R2000 shifters. Is that really the case in practice? If it isn't, might I as well replace it with a Sora or Tiagra double FD (of the same stye/cable-pull)?
I understand how mix and match could be a problem with the rear FD because of different indexing but aren't all double FDs equal?










share|improve this question




















  • 1





    I'm trying to find a source to confirm it, but I'd be inclined to say that they're incompatible. It looks like the front derailleur design has changed to resemble the 9000/6800/5800/4700 series FDs, which are only compatible with 11 speed or 4700 Tiagra shifters.

    – Carbon side up
    Mar 17 at 10:00











  • It's irritating that derailer manufacturers do not have a standard metric for "pull" so one can easily compare for shifter compatibility.

    – Daniel R Hicks
    Mar 17 at 20:16














1












1








1








My bike has a 2x8 speed Shimano Claris 2400 front derailleur and ST-2400 shifters. The FD is damaged. Can I replace it with the newer Claris R2000 FD? Shimano's compatibility guide indicates that it can be mated only to the ST-R2000 shifters. Is that really the case in practice? If it isn't, might I as well replace it with a Sora or Tiagra double FD (of the same stye/cable-pull)?
I understand how mix and match could be a problem with the rear FD because of different indexing but aren't all double FDs equal?










share|improve this question
















My bike has a 2x8 speed Shimano Claris 2400 front derailleur and ST-2400 shifters. The FD is damaged. Can I replace it with the newer Claris R2000 FD? Shimano's compatibility guide indicates that it can be mated only to the ST-R2000 shifters. Is that really the case in practice? If it isn't, might I as well replace it with a Sora or Tiagra double FD (of the same stye/cable-pull)?
I understand how mix and match could be a problem with the rear FD because of different indexing but aren't all double FDs equal?







derailleur derailleur-front






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edited Mar 17 at 9:28







itisravi

















asked Mar 17 at 9:23









itisraviitisravi

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1064








  • 1





    I'm trying to find a source to confirm it, but I'd be inclined to say that they're incompatible. It looks like the front derailleur design has changed to resemble the 9000/6800/5800/4700 series FDs, which are only compatible with 11 speed or 4700 Tiagra shifters.

    – Carbon side up
    Mar 17 at 10:00











  • It's irritating that derailer manufacturers do not have a standard metric for "pull" so one can easily compare for shifter compatibility.

    – Daniel R Hicks
    Mar 17 at 20:16














  • 1





    I'm trying to find a source to confirm it, but I'd be inclined to say that they're incompatible. It looks like the front derailleur design has changed to resemble the 9000/6800/5800/4700 series FDs, which are only compatible with 11 speed or 4700 Tiagra shifters.

    – Carbon side up
    Mar 17 at 10:00











  • It's irritating that derailer manufacturers do not have a standard metric for "pull" so one can easily compare for shifter compatibility.

    – Daniel R Hicks
    Mar 17 at 20:16








1




1





I'm trying to find a source to confirm it, but I'd be inclined to say that they're incompatible. It looks like the front derailleur design has changed to resemble the 9000/6800/5800/4700 series FDs, which are only compatible with 11 speed or 4700 Tiagra shifters.

– Carbon side up
Mar 17 at 10:00





I'm trying to find a source to confirm it, but I'd be inclined to say that they're incompatible. It looks like the front derailleur design has changed to resemble the 9000/6800/5800/4700 series FDs, which are only compatible with 11 speed or 4700 Tiagra shifters.

– Carbon side up
Mar 17 at 10:00













It's irritating that derailer manufacturers do not have a standard metric for "pull" so one can easily compare for shifter compatibility.

– Daniel R Hicks
Mar 17 at 20:16





It's irritating that derailer manufacturers do not have a standard metric for "pull" so one can easily compare for shifter compatibility.

– Daniel R Hicks
Mar 17 at 20:16










1 Answer
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The road compatibility chart does indeed say that the R2000 front derailleur not compatible with 2400 shifters.



Rear derailleur actuation ratios are fairly well documented, but I've never found a good source for front derailleurs, I do know that you cannot assume that all double front derailleurs are compatible.



Your best best is just to replace with a 2400 series derailleur. Good news is that FD-2400 units are still available and and inexpensive.






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    The road compatibility chart does indeed say that the R2000 front derailleur not compatible with 2400 shifters.



    Rear derailleur actuation ratios are fairly well documented, but I've never found a good source for front derailleurs, I do know that you cannot assume that all double front derailleurs are compatible.



    Your best best is just to replace with a 2400 series derailleur. Good news is that FD-2400 units are still available and and inexpensive.






    share|improve this answer




























      2














      The road compatibility chart does indeed say that the R2000 front derailleur not compatible with 2400 shifters.



      Rear derailleur actuation ratios are fairly well documented, but I've never found a good source for front derailleurs, I do know that you cannot assume that all double front derailleurs are compatible.



      Your best best is just to replace with a 2400 series derailleur. Good news is that FD-2400 units are still available and and inexpensive.






      share|improve this answer


























        2












        2








        2







        The road compatibility chart does indeed say that the R2000 front derailleur not compatible with 2400 shifters.



        Rear derailleur actuation ratios are fairly well documented, but I've never found a good source for front derailleurs, I do know that you cannot assume that all double front derailleurs are compatible.



        Your best best is just to replace with a 2400 series derailleur. Good news is that FD-2400 units are still available and and inexpensive.






        share|improve this answer













        The road compatibility chart does indeed say that the R2000 front derailleur not compatible with 2400 shifters.



        Rear derailleur actuation ratios are fairly well documented, but I've never found a good source for front derailleurs, I do know that you cannot assume that all double front derailleurs are compatible.



        Your best best is just to replace with a 2400 series derailleur. Good news is that FD-2400 units are still available and and inexpensive.







        share|improve this answer












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        answered Mar 17 at 12:50









        Argenti ApparatusArgenti Apparatus

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        36.5k23891






























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