Originally Posted by zap brannigan
hi, im looking at a giant ocr composite frame bike but the only one i can afford is the tiagra model.
is it possible to upgrade some of the tiagra components later on with 105/ultegra??
perhaps the shifters or derailuers if possible but tiagra is 9 speed and 105/ultegra 10 speed, so are they compatible??
there's plenty of cheap shimano stuff on ebay i could buy for upgrading.
thanks.
Yes you can. The 10 speed FD may be narrower but I see no reason why not, someone else may be able to better tell you.
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