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shimano thermometer thingy(5 posts)

shimano thermometer thingyslow-ron
Dec 24, 2002 8:12 AM
Does anyone know what the small tube is that comes with STI shifters? It looks like a small thermometer with an "H" & an "L". Where does it mount and what is to gain?

Thanks for any info.
re: shimano thermometer thingyB2
Dec 24, 2002 8:41 AM
Install it "in-line" with your rear derailleur cable a few inches from the shifter (so you can see it while your riding).

It's simply a visual indicator that tells you which cog is currently being used on your cassette.

re: shimano thermometer thingyRob Sal
Dec 24, 2002 10:17 AM
Yeah, a poor mans Flightdeck!!!!!
Do what most people do and.............Dave Hickey
Dec 24, 2002 11:11 AM
Mount your levers without it and sell it on Ebay.
it worksDougSloan
Dec 24, 2002 6:55 PM
When I was using a 12-27 cassette with very marginal chain length, I thought it helped to avoid a bad combination of big big. It can't hurt anything, so why not use it?