Slack chain in lower gears
#1
Senior Member
Thread Starter
Join Date: Jan 2007
Location: Silverdale, WA
Posts: 565
Bikes: 2004 Cannondale R600
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Slack chain in lower gears
Ok, I have not measured chain wear, and think that MIGHT be the issue, but how loose/slack should the the chain be if I am on my inner ring (double, 38) and I am on the bottom couple of gears on my cassette (12-27)
The chain skips a bit and pulls the RD up if I am in the bottom two gears while on the inner ring and it is extremely slack. Is this a chain problem?
The problem does not occur when I am on my big ring up front (53)
What else would you guys need to know?
The chain skips a bit and pulls the RD up if I am in the bottom two gears while on the inner ring and it is extremely slack. Is this a chain problem?
The problem does not occur when I am on my big ring up front (53)
What else would you guys need to know?
#2
cab horn
Join Date: Jun 2004
Location: Toronto
Posts: 28,353
Bikes: 1987 Bianchi Campione
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 42 Post(s)
Likes: 0
Liked 25 Times
in
18 Posts
There is no way chain wear is going to cause a properly length to chain to not be proper length in any meaningful way.
Do this procedure and find out if it is the right length to begin with. https://sheldonbrown.com/derailer-adjustment.html#chain
Do this procedure and find out if it is the right length to begin with. https://sheldonbrown.com/derailer-adjustment.html#chain
#3
Mechanic/Tourist
There is no way chain wear is going to cause a properly length to chain to not be proper length in any meaningful way.
Do this procedure and find out if it is the right length to begin with. https://sheldonbrown.com/derailer-adjustment.html#chain
Do this procedure and find out if it is the right length to begin with. https://sheldonbrown.com/derailer-adjustment.html#chain
#4
Senior Member
Thread Starter
Join Date: Jan 2007
Location: Silverdale, WA
Posts: 565
Bikes: 2004 Cannondale R600
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Ok thanks. I will try that this week when I get a chance. Just don't want to ruin my RD or anything. But it seems that for right now, just avoid the small-small combos, and I am ok.
I generally don't use the small-small much, but have when riding on "2 gear" days. Just setting the rear gear and then only changing from the big or small ring in front.
Otherwise I will go to the larger combo.
I generally don't use the small-small much, but have when riding on "2 gear" days. Just setting the rear gear and then only changing from the big or small ring in front.
Otherwise I will go to the larger combo.
#5
Senior Member
Join Date: Jul 2005
Posts: 7,487
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 140 Post(s)
Liked 162 Times
in
89 Posts
Maybe your chain's too long, and the rear derailleur can't take up all the chain slack when you're in the small ring/smallest cogs. Measure your chain length, it needs to be capable of covering the large chainring/large cog combo, but it doesn't need to be longer than that.........Your chain shouldn't be slack, one of the two primary functions of your rear derailleur is to take up all the chain slack no matter what gear combo you're in-