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Suntour Cyclone FD differences

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Old 04-01-22 | 12:50 AM
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Suntour Cyclone FD differences

Hiya Folks,
I just got a cheap Cylone MkII GT rear derailleur and I'm considering a Cyclone FD to replace my rusty VX FD.

Visually the Mk1 and Mk2 Cyclone FD are fairly different - embossed logo vs cr*p black lettering for example.
But I can't find any info on whether there's a functional difference between the FD versions. eg. does Mk2 work better ?
I'm looking for the clamp version ideally (FD-2400) and there's more of those in the Mk1 variant on Ebay.
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Old 04-01-22 | 06:05 AM
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I have both and can't tell a difference. I've had an endless band version slip, so I only get the clamped ones.
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Old 04-01-22 | 07:11 AM
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From: Putney, London UK

Bikes: 1982 Holdsworth Avanti (531), 1961 Holdsworth Cyclone, 1953 Holdsworth Whirlwind

Thanks for the reply,
Great to hear there's no real functional difference, I'll get the embossed one then - I prefer the look anyway.
I'd read about the endless bands and was hoping to avoid them, my VX has the clamp and I can't see a problem with that mechanism
(althoiugh they can snap apparently if you over tighten them).
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Old 04-01-22 | 11:17 AM
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Bikes: It's complicated.

BITD I sold a lot of the MkII endless band types. They were my "go to" front derailleur for repairs. I did have the endless band type break on me once.


Cyclone MkII endless clamp decided to end it all.
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Old 04-01-22 | 11:27 AM
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I've also had both and have had them both work very well. The MKII came to me with the branding rubbed off, so now it matches any rear derailleur -- a plus in my book.
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Old 04-01-22 | 06:23 PM
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I can't think of a Suntour double that didn't work just fine. Even the reverse pull models, effortless. Shifters however...
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