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STI shifters, which one wears faster, left or right ?(4 posts)

STI shifters, which one wears faster, left or right ?PeterRider
Dec 2, 2002 11:27 PM
It seems to me that the right is used much more often than the left shifter, hence that it wears much faster. Am I right ?

Also, how many miles do you "typically" put on Ultegra or D/A shifters before having definitely to change ?

The riding context is : plenty of mountain climbing.

Thanks !

Why does it matter?pmf1
Dec 3, 2002 8:39 AM
They're sold in sets.

I have several bikes with DA shifters and have never had to replace them. The only shifters I had that started wearing were some Ultegra 8-speed ones once. And it was the left shifter that was going.
My guess is the right...DINOSAUR
Dec 4, 2002 4:41 PM
As that's the one that is used the most. I have around 20K on my Ultegra STI's and they are loose and sloppy and I'm waiting for them to go south but they both still function. They have definitely seen their better days, but they are on my second bike that is only used once and awhile. Ball park figure, probably around 15K and then start thinking about replacing them, but that is just a guess and there are execeptions to the norm...I guess when they quit working...
re: STI shifters, which one wears faster, left or right ?Eric_H
Dec 5, 2002 3:06 PM
With respect to Dura-Ace STI, they have an excellent life span. Probably the lever that first hits the pavement in a crash will be the first needing replacement.

The ST-6500 Ultegra levers (1998-2000) were well known for being less than durable. The most common problem is the small screw holding the inner lever to the outer lever popping out and then the levers rattle like hell. The newer ST-6510 shifters are much better built, but I cannot speak for the durability.

I would definitely spend the money on Dura-Ace levers. This is by far and away the component that has a GREAT performance upgrade from Ultegra.