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  1. #1
    Have bike, will travel Barrettscv's Avatar
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    Is a triple FD compatable with a double crankset?

    I'm using some existing gear to finish of my commuter & light touring bike.

    I've got a Sram S350 cyclocross double crankset with 38 & 46t chainrings that I will install on the bike, this will work well when I commute.

    I may install a triple on this bike in the future. I'd like to install an IRD Alpina Triple Front derailleur. http://store.interlocracing.com/alfrde.html

    Can I just adjust the stops to allow it to work with a double?

    Michael

  2. #2
    Surf Bum
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    I don't know about that particular derailleur, but I still have the "triple" tiagra front derailleur on my 'cross bike even though i've now switched to a sram rival compact double crankset. Works for me, with the original triple shifter even.

  3. #3
    Senior Member
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    Probably, but its not optimal.
    Il faut de l'audace, encore de l'audace, toujours de l'audace

    1980 3Rensho-- 1975 Raleigh Sprite 3spd
    1990s Raleigh M20 MTB--2007 Windsor Hour (track)
    1988 Ducati 750 F1

  4. #4
    Elitist Troglodyte DMF's Avatar
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    What shifters is it designed to work with? The site doesn't say.
    Stupidity got us into this mess - why can't it get us out?

    - Will Rogers

  5. #5
    Have bike, will travel Barrettscv's Avatar
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    Quote Originally Posted by DMF View Post
    What shifters is it designed to work with? The site doesn't say.
    According to the Harris website: http://sheldonbrown.com/harris/derailers-front.html

    "The only currently available front derailer that is designed for mid-range ("compact road") triple chainwheels
    and compatible with Shimano "road" (drop handlebar) STI shifter indexing".

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