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Old 11-15-10, 05:27 PM   #1
elcritt
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Superbe Pro FD / Triple Crankset Compatibility

I recently acquired a Suntour Superbe Pro FD and wanted to know if there was any chance it could be used with a triple crankset - specifically a soon-to-arrive VO Grand Cru triple. My guess is no, but if anyone has successfully (or unsuccessfully) used the derailleur with a triple I'd be grateful to hear your comments.

Cheers,

C
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Old 11-15-10, 07:04 PM   #2
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Never tried the combination, but I would have to say no. That derailleur is set to work with a double crankset and does not have a long enough cage to work on a triple. I stand to be corrected, but as far as I have always known, triple front derailleurs have a physically longer cage design in order to drop the chain down to the smallest of the triple front chainrings. However, I have a Campy Nuovo Record front derailleur that has worked fine with my TA triple crankset on my Holdworth touring bike for more than 20 years.
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Old 11-15-10, 07:25 PM   #3
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No.
The cage is too short for the radius difference between the largest and smallest chain ring.
The in/out parameters are very likely too narrow to accommodate the outside reach necessary to avoid rubbing on the big ring.
I'll bet you have no problem trading it for a triple, though.
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Old 11-15-10, 08:05 PM   #4
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The Suntour Cyclone MK-II would have no problem with a triple and I do have an extra or two...
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Old 11-15-10, 08:41 PM   #5
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Thanks, y'all, for the feedback.

23skidoo...Funny you should mention it, but I also picked up a NOS Cyclone MK II. The aesthetics of the SP was leaning on me a bit.

Cheers.
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Old 11-15-10, 08:45 PM   #6
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Quote:
Originally Posted by 23skidoo View Post
The Suntour Cyclone MK-II would have no problem with a triple and I do have an extra or two...
Somehow, I knew you'd come across this thread...
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Old 11-15-10, 10:41 PM   #7
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I'm so predictable....
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