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Chain slipping in high gear

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js Offline
New Member


Posts: 1
Joined: Aug 2008
Post: #1
 
Hello, having a bit of a problem with shifting. My bike is only about 4 weeks old and I do about 10-15 miles daily on it. I can shift through all gears (21 speed) with no problem, but after shifting into 3rd on the left and past 4th on the right, the chain will slip and jump all the way out to 7th gear. If I shift it back down to 4th gear or lower, or move the grip shifter into 7th, it runs smoothly and accurately again, but if I try to leave it in that 4th-6th gear range the chain just slips and jumps back out.
Any ideas?
Aug 14, 2008 10:39 AM
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Alex Ramon Offline
Veteran Member

Vancouver, BC
Posts: 589
Joined: Oct 2009
Post: #2
RE: Chain slipping in high gear
This rear derailleur video may help. If you have adjusted it and it still causes you trouble the derailleur hanger may be bent (usually happens if the bike falls over onto the derailleur).

Here's a video that shows how to align bent derailleur hangers:
http://bicycletutor.com/derailleur-hanger-alignment/
Aug 14, 2008 02:26 PM
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steelmill Offline
New Member


Posts: 3
Joined: Feb 2009
Post: #3
 
This can be a problem with some cheaper department store bikes. It can even be difficult for an experienced tech to adjust out.
Feb 21, 2009 08:03 AM
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