Question about Cycling
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Posted on Jan 02, 2017
SOURCE: adjusting front derailer
Typically adjusting the front derailleur is a matter of adjusting the two adjusting screws on the derailleur. So turn the bike upside down. It should sit on its seat and handle bars. Find the two adjusting screws one will prevent the derailleur from traveling too far out preventing the chain from coming off. The other screw prevents the derailleur from traveling too far in keeping the chain from falling off that way. Now once you have found the screws slowly start turning the pedals like it was being ridden. Move the derailleur out as far as it will go if you see the chain is about to come off adjust the screw. Do same for inside screw. Now move the back derailleur all the way in and retest front derailleur, repeater with rear derailleur all the was out. Hope that helps. Oh, the back derailleur adjusts same way.
Posted on Feb 28, 2009
You may have broken your derailleur cable. Your cable securing bolt on your front derailleur might have worked loose just enough for the cable to get some slack in it so that your derailleur isn't moving. Try completely loosening the cable bolt at your front derailleur. Pull on the cable and click the control to downshift to the inside crank gear . That should remove all the slack from the cable. Worse case scenario is when you pull on the cable it will completely pull out and it has broken at the shifter. You will have to replace it with a new one. If it isn't broken and you can still shift with the cable make sure your limit screw is properly adjusted for the inside crank ring and then pull all the slack out of the cable with the shifter shifted to that gear. Tighten the bolt that holds the cable in place and try the shifter again. It should now shift normally. If it doesn't you will have to take the bike in to have the shifter repaired. These shifters are not easy to repair unless you have the tools, parts and experience. Hope this helps.
Posted on Jun 05, 2009
Try unhooking the chain from the ring and pulling the derailleur out far eough to get at the bolt. Make sure your limit screws are adjusted for the travel yuou want and take up the slack. You can use the cable adjuster on the shifter to tighten it or loosen it as necessary. Make sure the adjuster has enough to go in the direction you need. I don't know which model Diore you are talking about so this is the best advice I can give you.
Posted on Jul 11, 2009
Of course it can be converted to anything you want - at a price and with some effort. I recently converted a vintage 1984 Cannondale road bike from 2x7 Suntour downtube to full Campi 2x9, carbon crank, yada yada. I like riding it as much as any of the other 3 road bikes I have.
I sourced most of the parts for my various bike projects on eBay. If you're looking for vintage or retro, that's where you go. Just avoid buying cassettes that have been 'slightly' used.
Assuming your bike is still an original 7- or 8-speed, and you want to keep it that way, you may have to hunt around for compatible shifters. Upgrading from 7- or 8-speed to 9 may be the way to go, but then you'd have to get a new cassette (minimum) or a new wheel, or it may not fit into your frame's rear dropouts as the axle spacing crept up over the years with the addition of cogs.
Consider all the individual steps conversion may require; and if each requires yet another modification or encounters a dead end, like frame spacing. At retail prices for parts these days it might be more economical to get a new bike. OTOH, there's no matching the satisfaction of keeping a favorite steed active and doing the work yourself.
Posted on Jan 25, 2010
The problem is with the rear derailleur limiting screw. This is what limits the travel of your chain and keeps it from overshifting into the wheel. This fix is a bit complex so I would recommend you take into your local bike shop. They can probably fix it on the spot and if you have a good relationship with them they won't charge you too much.
Posted on May 20, 2010
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