Triple to Compact chainset........?

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vbc

Guest
Location
Bristol
OK.

If I change my Tiagra triple chainset to a 4550 compact, using 4400 STI levers, I'll need to change the front derailleur but will I really need to change the long cage rear derailleur to a short cage version?

Thanks in advance for your help.
 

TheDoctor

Europe Endless
Moderator
Location
The TerrorVortex
No, it'll work fine. TBH I'd not swap the front one either. I'd try and see if it works.
 

alecstilleyedye

nothing in moderation
Moderator
why bother? compact chainsets are a compromise. a triple will give you a full range of gears from spinning at 3mph a up a mountain to haring down it at 40mph the other side. compacts have too much of a difference between the big ring and the small one, which can make changing down a bit less comfortable.

if you have no need for the lower ratios, fit a standard double with a 38, 39 or 42 speed small ring.
 
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