Bike Forums - View Single Post - Ultegra Front Deraileur Chainring Size Compatability

05-22-14, 10:48 AM

#15

cyccommute

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Quote:

Originally Posted by Wiggles_dad

I just read an article by Jan Heine that describes front derailleurs and chainring sizing. Trouble with STI Triples | Off The Beaten Path I think I'm going to get the Shimano CX70 or another cross FD.

Many things that Jan Heine writes should be taken with a grain of salt. All of my road derailers are set up with STI and they shift very well indeed...including the 46/34/20. There is no need to go to a friction system or barend shifter. The CX70 is a double front derailer. The Tiagra is a triple.

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