so I too, am thinking of putting a set of compact cranks on my wife's bike. She currently has a Shimano Sora/Tiagra triple setup. I think I remember reading that using triple shifters vs double's work better with the compact setup because of the difference in the sprocket spacing. Any truth to this or am I going to have to replace the shifters and derailluer as well? Which spawns another question, since it is Sora/Tiagra would she be better off moving this whole thing to 105.. and if so whats that gonna cost me?
so I too, am thinking of putting a set of compact cranks on my wife's bike. She currently has a Shimano Sora/Tiagra triple setup. I think I remember reading that using triple shifters vs double's work better with the compact setup because of the difference in the sprocket spacing. Any truth to this
No. Spacing is the same.
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or am I going to have to replace the shifters and derailluer as well?
No. You'll need a crank and possibly a bottom bracket, nothing else.
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Which spawns another question, since it is Sora/Tiagra would she be better off moving this whole thing to 105..
No. The only advantage to that would be a slight weight saving. I don't like the 105 brifters as much as Sora...if only Sora came in 9-speed!
I must say it's not clear to me why you wish to downgrade her bike from a triple to a double...what improvement do you imagine will result from this? If it ain't broke...
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jweeks-<< I think I remember reading that using triple shifters vs double's work better with the compact setup because of the difference in the sprocket spacing. Any truth to this or am I going to have to replace the shifters and derailluer as well?
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Considering that all triple shifters are also double, it really doesn't make any difference.
Just put a compact on with the appropriate BB, adjust the front der(double or triple) and go ride.
Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302 (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene"
Hmmmm. Peter, Do you mean to say I can go from a full Ultegra triple set-up, with a Dura Ace RD, to a compact double only by swapping out the BB? I am intrigued 🙂
Qui si parla Campagnolo said:
jweeks-<< I think I remember reading that using triple shifters vs double's work better with the compact setup because of the difference in the sprocket spacing. Any truth to this or am I going to have to replace the shifters and derailluer as well?
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Considering that all triple shifters are also double, it really doesn't make any difference.
Just put a compact on with the appropriate BB, adjust the front der(double or triple) and go ride.
Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302 (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene"
specialized-<< Do you mean to say I can go from a full Ultegra triple set-up, with a Dura Ace RD, to a compact double only by swapping out the BB? I am intrigued 🙂 >><BR><BR>
yessir-just the crank and BB.
Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302 (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene"
specialized-<< Do you mean to say I can go from a full Ultegra triple set-up, with a Dura Ace RD, to a compact double only by swapping out the BB? I am intrigued 🙂 >><BR><BR>
yessir-just the crank and BB.
Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302 (303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene"
