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Old 06-29-2006, 06:57 PM   #1
ghibit
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Question Pedaling resistance
hey y'all. i had my bike on a work stand the other day and i noticed a lot of resistance when turning the cranks by hand. shop took a look, didn't see anything rubbing and couldn't pinpoint the problem. i have a howitzer with an e.13 SRS (pinned to bb). could my bb and chainguide combo be the root of the problem? anyone dare to venture an intelligent guess as to why? thanks and happy trails.
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Old 06-29-2006, 07:53 PM   #2
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well first off, your shop sucks....
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Old 06-29-2006, 08:05 PM   #3
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Take the cranks off and check that the BB bearings spin freely. Is the howitzer external? If so, then you could be over tightening the cranks and side loading the bearings.
Also, totally daft, but I have had a problem when setting up an E13 that I had the guide roller plate rubbing the bash ring. Totally stupid as I mentioned, but it is possible.
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Old 06-29-2006, 08:41 PM   #4
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Quote:
Originally Posted by biggles604
Take the cranks off and check that the BB bearings spin freely. Is the howitzer external? If so, then you could be over tightening the cranks and side loading the bearings.
yes, it's external. i'll check to see if the crank bolts have been over-torqued. thanks.
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Old 06-29-2006, 10:40 PM   #5
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Did you check your rear hub?? Maybe you are looking in the wrong spot.
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Old 06-29-2006, 10:49 PM   #6
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Quote:
Originally Posted by biggles604
Also, totally daft, but I have had a problem when setting up an E13 that I had the guide roller plate rubbing the bash ring. Totally stupid as I mentioned, but it is possible.
hehehe, you too eh Steve? Now I can share the dumbass award!
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Old 06-29-2006, 11:31 PM   #7
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Originally Posted by davet
hehehe, you too eh Steve? Now I can share the dumbass award!
It's surprisingly easy to do, and even easier to not realise that you did it because your mind edits out the option that you were a total idiot!

Nah, the award is yours. You chose to have your surgery
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Old 06-30-2006, 01:31 AM   #8
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Originally Posted by biggles604
It's surprisingly easy to do, and even easier to not realise that you did it because your mind edits out the option that you were a total idiot!

Nah, the award is yours. You chose to have your surgery
The fact that I pulled my cranks off 3 times looking for a problem with the bearings before I saw the roller interference seals that one up for me anyways.

I only chose to have the surgery because I couldn't walk any more.
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Old 06-30-2006, 01:42 AM   #9
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My pedals squeak whenever I reach the top of my pedaling motion..where might the looseness be? I've tightened the cranks as much as they'll go.
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Old 06-30-2006, 05:40 PM   #10
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Quote:
Originally Posted by Tonestar
Did you check your rear hub?? Maybe you are looking in the wrong spot.
no problem with the rear hub. i'm pretty sure it's got something to do with the bb.
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Old 06-30-2006, 06:10 PM   #11
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Quote:
Originally Posted by ghibit
no problem with the rear hub. i'm pretty sure it's got something to do with the bb.
as my first post kind of implied, if you cant get this sorted out yourself in the next day or so, you really should go to a different shop. Bikes are pretty damn simple machines. If a mechanic cant find where significant friction in the drivetrain is coming from, that mechanic sucks.
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Old 06-30-2006, 06:39 PM   #12
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Quote:
Originally Posted by Chunk
as my first post kind of implied, if you cant get this sorted out yourself in the next day or so, you really should go to a different shop. Bikes are pretty damn simple machines. If a mechanic cant find where significant friction in the drivetrain is coming from, that mechanic sucks.
good point.
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Old 07-03-2006, 01:47 AM   #13
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Update
i have loosened the non-drive side crankarm bolt and the resistance has disappeared (the cranks are spinning normally). now, here
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Old 07-03-2006, 03:49 AM   #14
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[QUOTE=ghibit]i have loosened the non-drive side crankarm bolt and the resistance has disappeared (the cranks are spinning normally). now, here
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Old 07-03-2006, 04:00 AM   #15
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wow, thanks for taking the time to write that ^.

i guess i'm gonna have to open up the drive train and take a gander. again, thanks.
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