Chain too long?
#1
Thread Starter
Bar Ends Forever
Joined: Jun 2015
Posts: 261
Likes: 18
From: Tennessee
Chain too long?
Hi. Recently I put a new chain on my bike, and matched the amount of links to the original one. It looks to me like the new chain is hanging a little too much though. What do you guys think?
#3
Mostly harmless ™
Joined: Nov 2010
Posts: 4,463
Likes: 244
From: Novi Sad
Bikes: Heavy, with friction shifters
Last edited by Bike Gremlin; 08-24-20 at 04:10 AM.
#4
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Joined: Apr 2009
Posts: 39,897
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From: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
As long as the RD can take up the slack in small/small it is NOT too long.
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FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
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FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
#6
Senior Member
Joined: Jun 2010
Posts: 7,579
Likes: 6
From: Pearland, Texas
Bikes: Cannondale, Trek, Raleigh, Santana
#8
On a derailleur equipped bike, the sag in the chain is dictated by the amount of tension caused by the spring in the rear derailleur and is therefore never a reliable way to determine if you have the correct chain length. It can be an indication of a damaged derailleur, but yours looks fine.
#9
Senior Member

Joined: Aug 2011
Posts: 22,676
Likes: 2,642
From: CID
Bikes: 1991 Bianchi Eros, 1964 Armstrong, 1988 Diamondback Ascent, 1988 Bianchi Premio, 1987 Bianchi Sport SX, 1980s Raleigh mixte (hers), All-City Space Horse (hers)
On a side note: your big ring looks like it's installed the wrong way around. On purpose?
#10
Senior Member
Joined: Mar 2008
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From: Salinas , Ca.
Bikes: Bike Nashbar AL-1 ,Raligh M50 , Schwinn Traveler , and others
#11
Senior Member
Joined: May 2005
Posts: 6,301
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From: La La Land (We love it!)
Bikes: Gilmour road, Curtlo road; both steel (of course)
While we're at it, the FD is mounted too high as well.
Wonder how many other things we'd see with a full pic of the bike...
Wonder how many other things we'd see with a full pic of the bike...
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