Hello - I was hoping I could get some suggestions here as to what to do about my chain falling off my bike. I have a Diamondback Kalamar XL and I use it for commuting to and from work twice a week (11 mi one way). Whenever I hit a sizable bump or curb, the chain comes off it's track and I need to stop and put it back on track before continuing on my way. This seems to happen once a day on average. I have been slowing down for bumps and it helps a bit, but it seems if the chain were tighter or had more tension, it would not fall off track so easily. Is there anything I can do to put more tension on the chain? Thanks.
Road Cycling · Public discussion
chain keeps falling off
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- Road Cycling
- Published
- 27 July 2011
- Last activity
- 1 August 2011
- Original author
- tinyang
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- 7
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To tighten a chain, remove links. This link will help you deternine how long your chain should be. parktool.comchain length sizingOpen ↗
I started out thinking that one of your derailluers needed adjustment but since this only happens when you hit a bump, it probably is a chain that is too long.
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Thanks for the reply. It happens when I change gears too sometimes.
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It's usually a front derailleur problem and can be cured with an adjustment but as stated could be the chain needs a couple links taken out. Also check and make sure nothing is bent or excessively worn.
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OK, I'll check it out. Thanks for the helpful advice. [IMG]/img/vbsmilies/smilies/smile.gif[/IMG]
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So I looked into this, it turns out my bike does not have a front derailleur. Does this mean I should shorten my chain? Nothing looks bent or worn really that I can tell, I've only had this bike for a few months. The length the chain is now is how it came from the store when new. Could I have broken it in by now and stretched it out? I have certainly ridden it 100s of miles since getting it. [IMG]/img/vbsmilies/smilies/smile.gif[/IMG]
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I'd take it to the bike shop for tune up!!
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