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Changing out crankset
#1
I'm currently riding a ten year old bike with a 105 triple crank, 9 speed cassette. I rarely use the innermost ring. I would like to try a compact crank (105 or Ultegra). Will I have to change out the front STI lever as well?
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#2
Hmm not too sure but maybe, I would wait for one of the others who have/had this model
Good maintenance to your Bike, can make it like the wheels are, true and smooth!
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#3
(12-02-2012, 08:08 PM)RonK Wrote:  I'm currently riding a ten year old bike with a 105 triple crank, 9 speed cassette. I rarely use the innermost ring. I would like to try a compact crank (105 or Ultegra). Will I have to change out the front STI lever as well?

No, I don't think so, the spaces between the front chainrings is the same on a double as it is on a triple. You should be able to use the limit screws on the front mech to prevent the chain coming off the inside of the smaller ring.
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#4
Depends on the STI lever - some triples will work okay with doubles, some will not.
Nigel
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#5
Ron - more than likely it will work. Can you pull the hood boot back and find the model number? It will probably read ST-5xxx something.
Wheelies don't pop themselves. (from a QBP fortune cookie)
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#6
This is why I said to wait Wink . Learn something new each post Smile .
Good maintenance to your Bike, can make it like the wheels are, true and smooth!
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#7
(12-03-2012, 07:25 PM)RobAR Wrote:  Ron - more than likely it will work. Can you pull the hood boot back and find the model number? It will probably read ST-5xxx something.

So you're saying the older 105 STIs could be switched from double to triple? Wow, that's good to remember (though mine are too new...)
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