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Front derailleur not shifting up to highest cog

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Front derailleur not shifting up to highest cog

Old 07-15-17, 08:00 PM
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Front derailleur not shifting up to highest cog

Hello. I was riding my bike up a small incline today. As I was pedaling, the chain came off the front derailleur. I put the chain back on, but it looks like some of spokes on the cogs got chipped a bit. I was on the highest cog when the chain came off. When I started pedaling again, I noticed that the chain does not move to the highest cog. I can shift up to it using the shifting mechanism (don't know the proper know) on my handlebars, but the chain does not move past the second cog. I can shift up and down between the first and second cog, but I cannot get on to the third cog.

What can I do? I am not very handy, so I am not sure what to do. I am thinking of just taking it to my LBS tomorrow.
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Old 07-15-17, 09:03 PM
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Wow! Interesting that your identity as TrojanMan has been wiped away along with all your threads. Hope things work out better for you this time around! Definitely take it to the shop.

Last edited by shelbyfv; 07-15-17 at 09:27 PM.
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Old 07-15-17, 10:24 PM
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and tell them you need new spokes for your cogs, ok?

Last edited by maddog34; 07-15-17 at 10:52 PM.
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Old 07-19-17, 07:43 PM
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Originally Posted by shelbyfv
Wow! Interesting that your identity as TrojanMan has been wiped away along with all your threads. Hope things work out better for you this time around! Definitely take it to the shop.
Originally Posted by maddog34
and tell them you need new spokes for your cogs, ok?
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Old 07-20-17, 06:40 AM
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Originally Posted by Trojan_Man
...it looks like some of spokes on the cogs got chipped a bit...
Many large chain rings (especially those on triples) have groups of teeth that aren't quite as tall as most of the rest. There is typically a group of 2-3 teeth aligned with the crank arm, and then another group of 2-3 teeth about 180 degrees from there, on the opposite side of the ring, that are shorter, or that look ground-down or chipped. This is sometimes found on the middle chain ring also, but most commonly on the largest. They're made this way to facilitate shifting.

Your local bike shop should be able to get it adjusted so that shifting is improved.
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