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Expedition drivetrain problems   Message List  
Reply | Forward Message #625 of 717 |
I bought an Expedition about a year ago and have most of the bugs worked out except for a persistant drivetrain problem.  The chain jumps on the rear sprocket on several of the gears.  This problem persists even though I put on a new SRAM chain [after the original brike 2x in less than 6 months] that's one continuous piece except for the quick link.  New rear sprocket, different rear shifter.  Doesn't matter which front ring I'm in but I notice it mainly on gears 3 & 4 [counting from the smallest rear ring].  It's about to drive me nuts and my LBS mechanic thinks I am crazy.

Charles Rathbun

~~~~~~~~~~~~~~~~~
"It's a beautiful day out there.
What are you doing inside?
Turn off the computer and
GO RIDE YOUR BIKE!"



Wed Jun 24, 2009 10:30 pm

bicycle.minden
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Message #625 of 717 |
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I bought an Expedition about a year ago and have most of the bugs worked out except for a persistant drivetrain problem.  The chain jumps on the rear sprocket...
Bicycle Minden
bicycle.minden
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Jun 25, 2009
1:23 am

Charles, A couple of things to check, that you can do yourself. 1 - Make sure the cable is tensioned correctly. If it has stretched over time the shift...
Mike Rice
dolo724
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Jun 25, 2009
5:57 am

... Charles, I just got back from a long ride and fiddle session.....Tightened the cable at the derailleur one click at a time rode a few miles, fiddled some...
cte766
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Jun 25, 2009
12:07 pm

... Charles, I just got back from a long ride and fiddle session.....Tightened the cable at the derailleur one click at a time rode a few miles, fiddled some...
cte766
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Jun 25, 2009
12:08 pm

... Charles, I just got back from a long ride and fiddle session.....Tightened the cable at the derailleur one click at a time rode a few miles, fiddled some...
cte766
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Jun 25, 2009
12:08 pm

... Charles, I just got back from a long ride and fiddle session.....Tightened the cable at the derailleur one click at a time rode a few miles, fiddled some...
cte766
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Jun 25, 2009
12:08 pm

brane new cable installed when busted right shifter replaced less than a week ago.  Rode it 2 days after this was done...still jumping in the same places. ...
Bicycle Minden
bicycle.minden
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Jun 28, 2009
11:25 pm

it HAD a KDS chain to begin with I think and it broke 2x in the first 6 months although I an very meticulous on cleaning and lubing the drivetrain Charles...
Bicycle Minden
bicycle.minden
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Jun 28, 2009
11:25 pm

Does this, by chance, happen when you are cornering or going over bumps?  I've had trouble with my trike (NOT a catrike, however) and several other recumbents...
Mike Fitzsimmons
themnfitz
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Jun 28, 2009
11:25 pm

not really...most of the time it's on straight runs and more often than not when I'm "under load" going up an incline Charles Rathbun ~~~~~~~~~~~~~~~~~ "It's a...
Bicycle Minden
bicycle.minden
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Jul 3, 2009
9:21 pm

You know when I think about it I had a similar issue the chain was to long for the amount the boom was out. What I discovered as I had inadvertently not moved...
irodguy
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Jul 4, 2009
3:04 pm
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