On 12/21/2015 09:55 AM, Brian Campbell wrote:

I did a 200k with the downtube shifting with no ill effects. On a subsequent ride, one rider broke a drive side shifter cable using Shimano brifter. Eventhough he had a replacement, getting the broken cable out of the shifter proved difficult. There is an added layer of complexity to brifters.

Right hand Shimano STI levers - especially those with the cable exiting sideways - are known for eating shifter cables. There's something about the cable routing inside the shifter unit that tends to fatigue and fray the cable, and it happens inside the mechanism where you can't see or feel it (bar ends fray cables too, only much more slowly, and when the cable frays the loose ends stick you in the finger and alert you to the problem before it gets anywhere near the point of failure). Your first alert usually is poor shifting, and sometimes you only have one or two shifts left before the cable lets go entirely. And then, good luck getting the pieces out. By contrast, downtube levers don't seem to fray the cable at all.




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