Bicycle Mechanics - Ultegra shifter question
Bikeforums.net is a forum about nothing but bikes. Our community can help you find information about hard-to-find and localized information like bicycle tours, specialties like where in your area to have your recumbent bike serviced, or what are the best bicycle tires and seats for the activities you use your bike for.
01-31-07, 07:24 PM
I bought a used pair of Ultegra 600 shifters (8 speed) off ebay for my Gunnar Crosshairs. The right shifter doesn't seem to ratchet: it moves the chain up, but then it falls right back down. The cable is tight. Am I screwed?
Also, is it possible to screw up these shifter by shifting them without a cable? I heard that rumor somewhere.
Does this happen on all the gears or just some cogs on the cassette? Have you set up a rear derailleur before?
Shifting without the cable is not an issue. If it really does not work I would ask for a refund.
02-01-07, 06:45 AM
Thanks for the reply. I haven't bothered to try it on other gears, simply because it doesn't feel right on the gears it can shift across now--I can't feel any ratchet action. I do have some experience setting up STI, just not the road brifters.
Some people have mentioned spraying WD40 and/or compressed air into the shifters to clean them out. Is this recommended, and do I need to remove any bits to do this?
The grease inside those things can get pretty stiff with age, I have one just like you describe. I suspect one of the pawls is too gunked up to catch. You probably need to flush it out and re-lube.
02-02-07, 05:05 PM
If I don't ride my 8-speed Ultegra STI bike frequently, I have to spray WD-40 in the shifters to de-gunk them so that they'll work. I haven't tried compressed air, so I don't know if it'll work. When I spray them, I just squeeze the lever as if I'm braking, then spray the internals with WD-40. Let it sit a few minutes, then try shifting. You may have to spray them a couple of times to get them to work.
Powered by vBulletin® Version 4.1.12 Copyright © 2013 vBulletin Solutions, Inc. All rights reserved.