Another STI question

[Louis]

1) How do I figure out if a LH shifter is double or triple? I looked for a part # with no luck. I assume one can figure out by how it shifts and counting clicks, but I don't know them well enough to tell.

2) Will a triple shifter work for a double crank? (I assume there is no way a double shifter would work with a triple crank.)

TIA

Louis

[RPS]

Louis, triple can work on a double crank. I have Ultegra triple-capable shifters on my tandem and it's fine. Don't really know if they are all the same though.

I would think an easy way to tell is to measure the amount of cable pull across the entire range of the shifter.

[Ken Robb]

I think 9spd, 105 and Ultegra shifters can shift double or triple but DA is either dbl or trpl specific.

I don't know about 10speed stuff.

[Louis]

Thanks guys. I have Ultegra 9-spd so it sounds like I'm all set.

Louis

[dave thompson]

Ken Robb is correct, even though he's old. 6500 series Ultegra shifters shift both double and triple.

[RPS]

Ken Robb is correct, even though he's old. 6500 series Ultegra shifters shift both double and triple.+1

According to 2004 catalog, they list only model ST-6510 for Dual Control Lever and is listed for both double or triple.

[Louis]

Ken Robb is correct, even though he's old.

You ought to know!!!! :p

Thanks again guys.