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labored shifting

Old 09-21-08, 09:51 PM
  #1  
LLfinch
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labored shifting

new to bike maintenance. recently when i have been shifting gears the action is labored and the chain often wont readily go to the next gear (usually when shifting lower) and i have to hop a gear and then go back down in order for it to go. recently i have: cleaned the chain with some rocknroll and fixed a rear flat. could i have stretched out the chain in my effort to put the tire back on? i have also been riding a lot, total 140 miles on 3 rides and i ride my bike to school everyday (6 miles.) Normal wear and tear? how can i troubleshoot and fix this problem??
Any help appreciated!

-Lauren
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Old 09-21-08, 09:58 PM
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z415
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You putting the rear wheel could not have stretched the chain unless you were way off and exceptionally strong. Parktool.com > "Repair Help" (top right). That'll lead to a chart of a bike and you can click on the parts and it'll show articles for DIY work.

You probably, hopefully, just need a simple adjustment. Try to rotate a barrel adjuster (anything that can rotate to change you cable pull that is installed along the housing) a few turns and see if that helps. If not, try going the other way for the same.

Good luck.

Also, a worn out drivetrain could be like this, but that usually is a lot of miles.
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Old 09-22-08, 04:23 AM
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Originally Posted by LLfinch View Post
new to bike maintenance. recently when i have been shifting gears the action is labored and the chain often wont readily go to the next gear (usually when shifting lower) and i have to hop a gear and then go back down in order for it to go. recently i have: cleaned the chain with some rocknroll and fixed a rear flat. could i have stretched out the chain in my effort to put the tire back on? i have also been riding a lot, total 140 miles on 3 rides and i ride my bike to school everyday (6 miles.) Normal wear and tear? how can i troubleshoot and fix this problem??
Any help appreciated!

-Lauren
Does the troublesome shifts occur only when your are really mashing on the pedals (like climbing a hill) or does it not shift when soft pedalling too??
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Old 09-22-08, 06:53 AM
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LLfinch
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**it has trouble shifting on even terrain as well.
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Old 09-22-08, 09:15 AM
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ogbigbird
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so you cleaned the chain and it still doesnt want to shift, especially on a down shift. hmmm... is the rear deraillur clean and free of any crud or dirt? rear deraillur alignment in line to rear cogs and no bent or damaged parts? how old is your shifting wire and its housing? a new shifter wire and housing could help alot, unless the problem is in your shifter. id check that too to make sure it has free movement of its entire range and replace if nessecary. so if the problem isn't your shifter or the wire and housing, you made sure the chain was clean and teeth on the rear cogs ok, so that would leave your rear deraillur at fault. but it sounds like a new shift wire and housing could fix this. check that shifter too. i asume gripshift.
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Old 09-22-08, 09:17 AM
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ogbigbird
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p.s. remember, you can't really shift under heavy load so if thats the case, try lightening up the pedel force when you shift. this is why i got into single speed bikes. no gears no problems. hope it helps.
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