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23-06.-2006, 09:09 AM
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#1 |
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Registered User
Join Date: Jun 2006
Posts: 3
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Any solutions to these problems with my new bike?
I got a bike yesterday and it has a few little problems.
a) My disk on my tires touches the disk brakes, thus making some friction noise when the wheel spins. How do I tune the disk brakes? It's not a big problem, but I would like to keep the bike in good shape. b) I have 3 gears in front. When I shift it into 3rd gear, my front deraileur scratches the plastic cassette cover, making it hard to shift to the 3rd gear. I tried adjusting the front deraileur. In some positions, I can't shift to 3rd gear at all, and the others pushes against the plastic cassette cover. Is there a easy way I can tune it? By the way, I've got Shimano Tourney front and rear deraileurs. Thanks. |
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26-06.-2006, 04:57 AM
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#2 | |
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Registered User
Join Date: Jan 2004
Location: Manchester and South London
Posts: 440
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Re: Any solutions to these problems with my new bike?
Quote:
a) If you spin the wheel, is the rubbing enough to bring the wheel to a jerky stop? If not don't worry about it, most disks rub a small amount. Are they hydro disks or cable? As it has tourney components i expect cable. I am not overly familiar with cables but make sure the rotor is true and that the wheel is in correctly. I think there should be a centering bolt somewhere on the caliper or the lever to move the pads to either side. Adjust this until the rotor is central between the calipers. remember to pump the lever a few times between each adjustment to set the brake. b) Are you trying to run big cassette cog to big chainring? If so don't, it puts a lot of lateral stress on the chain and for the same reason don;t run little cog to little chainring as this stresses the chain and asks a lot of the jockey wheels on the rear mech. On the front mech there will be two travel adjust screws which sets how far the mech is allowed to move. It sounds as though you may need to adjust this to allow the chain to travel further across the large chainring, be careful that you don;t adjust it to far and the chain drops off the end. I can never remember which screw is which or which way you have to turn so use trial and error. The other screw operates the mech stop for the small chainring. |
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