Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 12-02-07, 08:20 PM   #1
vulture
Junior Member
Thread Starter
 
Join Date: Nov 2007
Bikes: Bike Friday Pocket Rocket, Giant Anthem, Comotion Road, Monster Fat MTB, Davidson Impulse, Moulton Fuso, Veloce by Stinsmen
Posts: 6
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Opening KMC missing link?

Am I a dunce or is there some secret to opening a KMC chain with a so called "missing link" or whatever?
This is theoretically an 8 speed chain and probably one of the lower end chains. Has not really been used but I'm changing drive trains and thought it was supposed to be easy to open like the Wippermann chains. Does anyone have the secret to opening them or are they just meant to be an easy way to connect the chain and not really meant to be easy off and easy on. I talked to a mechanic at REI who says he hasn't figured out how to open them either and just uses a chain tool. Any help?
Thanks
vulture is offline   Reply With Quote
Old 12-02-07, 08:29 PM   #2
Mark S
Member
 
Join Date: Jun 2007
Location: Melbourne, Australia
Bikes:
Posts: 47
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I think we've been through this on a previous thread. However, I did purchase a KMC "missing link" recently, only to notice after I had installed that the packet said that the link couldn't be opened, or words to that effect.

Regards, Mark.
Mark S is offline   Reply With Quote
Old 12-02-07, 09:14 PM   #3
dr.raleigh
I like bikes
 
dr.raleigh's Avatar
 
Join Date: Nov 2007
Location: Butler PA
Bikes: Raleigh M20
Posts: 130
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I use my chain tool to push out a pin, and when I'm done I push it back in.
dr.raleigh is offline   Reply With Quote
Old 12-02-07, 09:25 PM   #4
JanMM
rebmeM roineS
 
JanMM's Avatar
 
Join Date: Jan 2006
Location: In Central IN
Bikes: RANS V3, RANS V-Rex, RANS Screamer
Posts: 13,339
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 16 Post(s)
I am on my second Nashbar/KMC 8speed looong chain on my recumbent. The narrow, Z chain that is supposed to be ".. a snap" to open. Couldn't do it until I got a Park master link tool. Never a problem with SRAM links but the price of the KMC chains is irresistible.
JanMM is offline   Reply With Quote
Old 12-02-07, 09:34 PM   #5
well biked 
biked well
 
well biked's Avatar
 
Join Date: Jul 2005
Bikes:
Posts: 7,073
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
FWIW, the newest KMC chain I own is a nine speed model, the "Nashbar nine speed chain by KMC." It comes with what is listed by Nashbar as a re-usable link. It looks virtually identical to a SRAM Power Link, and just like with SRAM links (8 or 9 speed) I've had absolutely no trouble removing or installing it, it can be easily done in a few seconds every time, by hand. I think there must be more than one type of "re-usable" KMC connector link out there. Every other KMC chain I've ever owned came with what I would call an old fashioned "master link," and those connectors are clearly not made to be removed by hand.

Last edited by well biked; 12-02-07 at 09:53 PM.
well biked is offline   Reply With Quote
Old 12-03-07, 12:05 AM   #6
vulture
Junior Member
Thread Starter
 
Join Date: Nov 2007
Bikes: Bike Friday Pocket Rocket, Giant Anthem, Comotion Road, Monster Fat MTB, Davidson Impulse, Moulton Fuso, Veloce by Stinsmen
Posts: 6
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thank you for the information.

Thanks for the responses. It is clear that I either have a chain that needs the Park tool to squeeze the link together or it is not made to open easily if at all. Will dig out the chain tool. I will at least assume the KMC chain can have the pin pressed back in, unlike the Shimano's.
vulture is offline   Reply With Quote
Old 12-03-07, 09:21 AM   #7
dvs cycles
Senior Member
 
Join Date: Oct 2007
Location: SoCal
Bikes:
Posts: 1,163
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by dr.raleigh View Post
I use my chain tool to push out a pin, and when I'm done I push it back in.
That has not been an acceptable method for many years. Was good with 7 and some 8 speed systems back in the day.
dvs cycles is offline   Reply With Quote
Old 12-03-07, 09:28 AM   #8
top506
Death fork? Naaaah!!
 
top506's Avatar
 
Join Date: Nov 2005
Location: The other Maine, north of RT 2
Bikes: '71 Gitane Super Corsa, '73 Atala Giro d'Italia, '73 Schwinn Super Sport, '76 Viscount Aerospace Pro, '81 Miyata 710, '81 Lotus Classique, '84 Ross Signature 290s, '85 Miele Gara, '87 Miyata 512, '89 Centurion Ironman, many more
Posts: 3,728
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 14 Post(s)
I've noticed that a light file pass on the inside 'snap' surface of the KMC links will make them hand-detachable like the SRAM links.
Top
(who runs a couple of both)
__________________
You know it's going to be a good day when the stem and seatpost come right out.
top506 is offline   Reply With Quote
Old 12-03-07, 10:12 AM   #9
jemoryl
Senior Member
 
Join Date: Sep 2004
Location: New Jersey, USA
Bikes:
Posts: 1,007
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I believe the older KMC missing links are harder to remove than the more recent ones - the design has been changed slightly.
jemoryl is offline   Reply With Quote
Old 12-03-07, 10:46 AM   #10
San Rensho 
Senior Member
 
Join Date: Oct 2005
Bikes:
Posts: 5,548
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 19 Post(s)
Pinch the chain with your left hand so that just the removanle link is isolated. Squeeze both ends of the isolated rollers with needlenose pliers and the link pops open.
__________________
Il faut de l'audace, encore de l'audace, toujours de l'audace

1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1
San Rensho is offline   Reply With Quote
Old 12-03-07, 11:10 AM   #11
matthew_deaner
Senior Member
 
Join Date: Sep 2006
Location: Spencer, IN
Bikes: Trek 5200
Posts: 689
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I use needle nose pliers to squeeze the two halves of the link in opposing directions. Works all the time... I even do this with the master links on SRAM 10-speed chains, which are not supposed to be removable or reusable.
matthew_deaner is offline   Reply With Quote
Old 12-03-07, 11:18 AM   #12
Metaluna
Senior Member
 
Join Date: Aug 2005
Location: New Hampshire
Bikes: Gunnar Sport, Soma Double Cross Disc
Posts: 914
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 5 Post(s)
Quote:
Originally Posted by well biked View Post
I think there must be more than one type of "re-usable" KMC connector link out there. Every other KMC chain I've ever owned came with what I would call an old fashioned "master link," and those connectors are clearly not made to be removed by hand.
I've been wondering about this too. One of my bikes came with a 10sp KMC DX10, which had an easily removable link. When that chain was worn out, I replaced it with another DX10. This time the link was nearly impossible to remove. I finally managed it with a pair of needlenose pliers, and then replaced it with a Wipperman link for the remainder of its life. I don't remember the online vendor I ordered it from, but I do remember the product description saying something about the chain coming with a "one time use" master link. I dismissed it based on my previous experience with that model, and figured they were just confusing it with some other chain, but I was apparently wrong. So either KMC has two different links that they freely intermingle in the same model, or their quality control for the Missing Link connectors is really really bad, and some of them just fit together way too tightly.
Metaluna is offline   Reply With Quote
Old 12-03-07, 11:20 PM   #13
vulture
Junior Member
Thread Starter
 
Join Date: Nov 2007
Bikes: Bike Friday Pocket Rocket, Giant Anthem, Comotion Road, Monster Fat MTB, Davidson Impulse, Moulton Fuso, Veloce by Stinsmen
Posts: 6
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Interesting!

I tried the needle nose pliers, as it seems the Park tool is basically a pair of pliers designed to hook the links, but that did not work so my conclusion is that this is one of the 8/9 speed chains that is not made to be unlinked with this link. What puzzles me then is the remark that these chains are not meant to have a pin pushed out and reinserted. I cannot find anyone who sells pins for the KMC chains like Shimano so either you must use a Shimano pin then or use some other external connecting link like the Wippermann or SRAM, is that correct? Times have changed I know but time was the only way to break a chain was to punch out a pin until you could unlink and then reinsert the link. What's the experience out there on doing this to a KMC chain, purportedly 8 speed?
vulture is offline   Reply With Quote
Old 12-04-07, 04:10 AM   #14
Albert '55
Wrong Side Of 50
 
Join Date: Aug 2006
Location: NSW Oz
Bikes:
Posts: 40
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by San Rensho View Post
Pinch the chain with your left hand so that just the removanle link is isolated. Squeeze both ends of the isolated rollers with needlenose pliers and the link pops open.
In true BF jargon, +1 on the needle nose pliers trick.
I've reused the missing links 5 or 6 times. Although this is contrary to manufacturers instructions
Albert '55 is offline   Reply With Quote
Old 12-04-07, 10:35 AM   #15
DPN
Senior Member
 
Join Date: Jul 2007
Bikes:
Posts: 230
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
There does seem to be an awful lot of confusion on whether these links are "one time use only" or reuseable...

I was looking for a link to allow me to quickly remove my Shimano 10 speed ultra narrow (5.88mm) chain for cleaning.

The KMC web site shows this link http://www.kmcchain.com.tw/index.php...o=view&id=1051
which is for a Reusable MissingLink 1/2" 11/128.

I could never find the CL559S link in the US, and would up buying 2 from England...I assume the CL559S stand for Chain Link, 5.59mm, Shimano...

FWIW....

DPN
DPN is offline   Reply With Quote
Old 12-04-07, 10:37 AM   #16
BearSquirrel
Senior Member
 
Join Date: Aug 2007
Bikes:
Posts: 511
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
In general, I've noticed that it is difficult to remove and affix masterlinks on dirty chains. In all cases, you should consider cleaning the chain first with a chain machine. It's not a bad thing to do anyway as you'll get less muck on your hands.
BearSquirrel is offline   Reply With Quote
Old 12-04-07, 04:26 PM   #17
dvs cycles
Senior Member
 
Join Date: Oct 2007
Location: SoCal
Bikes:
Posts: 1,163
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by BearSquirrel View Post
In general, I've noticed that it is difficult to remove and affix masterlinks on dirty chains. In all cases, you should consider cleaning the chain first with a chain machine. It's not a bad thing to do anyway as you'll get less muck on your hands.
That would seem to defeat the purpose for which most people use a link.
Personally I use the Shimano pin, clean it with a machine and leave it on the bike untill time to replace.
dvs cycles is offline   Reply With Quote
Old 12-04-07, 06:40 PM   #18
Banzai
Jet Jockey
 
Banzai's Avatar
 
Join Date: Jul 2005
Location: St. Paul, MN
Bikes: Cannondale CAAD9, Ritchey Breakaway Cross, Nashbar X-frame bike.
Posts: 4,316
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 30 Post(s)
I've tried the needlenose pliers quite a few times. Maybe I'm just a moron, but I can never get it to work.
__________________
Good night...and good luck
Banzai is offline   Reply With Quote
Old 12-10-07, 10:08 AM   #19
BearSquirrel
Senior Member
 
Join Date: Aug 2007
Bikes:
Posts: 511
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by dvs cycles View Post
That would seem to defeat the purpose for which most people use a link.
Personally I use the Shimano pin, clean it with a machine and leave it on the bike untill time to replace.
Ooooohhh, the irony. Then again, nothing says you can take a pass with a chain machine then move the chain to a 2L bottle where you claim it is more efficient.

Actually, I remove my chain when I'm doing crank maintenance and appreciate not having to push pins. I know damn sure that singlespeed riders remove their chains a LOT!!!!
BearSquirrel is offline   Reply With Quote
Old 12-10-07, 10:47 AM   #20
dvs cycles
Senior Member
 
Join Date: Oct 2007
Location: SoCal
Bikes:
Posts: 1,163
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by BearSquirrel View Post
Ooooohhh, the irony. Then again, nothing says you can take a pass with a chain machine then move the chain to a 2L bottle where you claim it is more efficient.

Actually, I remove my chain when I'm doing crank maintenance and appreciate not having to push pins. I know damn sure that singlespeed riders remove their chains a LOT!!!!
Where did I ever say 2l bottle is more efficient?? Though my machine method may not be the totally sterile clean some more anal types here strive to achieve, it gets it clean enough. I get 4000+ miles from DA-10 chains before they reach the 75% mark on my Park chain gauge. I go through 2 to 3 chains a year depending on my miles.
I have many friends that use some sort of link but I just prefer to use my chain like Shimano designed it.
As for single speeds, They don't have the twisting forces created from shifting to worry about.
How often do you HAVE to do crank maintainance? I rarely have to touch mine and when I do it usually is time for a new chain anyways. Maybe I don't keep mine shiney all the time but I prefer to ride it more than clean it.
dvs cycles is offline   Reply With Quote
Old 02-09-10, 01:38 PM   #21
lobsterboyuk
Newbie
 
Join Date: Feb 2010
Bikes:
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Found a useful link here:

http://www.kmcchain.com/index.php?ln...o=view&id=1051

Spent a good while getting nowhere in removing my link - once I'd seen the pictures at the bottom of the above linked page I got it off instantly
lobsterboyuk is offline   Reply With Quote
Old 02-10-10, 07:21 AM   #22
72guy
Member
 
Join Date: Oct 2009
Bikes:
Posts: 45
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by DPN View Post
There does seem to be an awful lot of confusion on whether these links are "one time use only" or reuseable...

I was looking for a link to allow me to quickly remove my Shimano 10 speed ultra narrow (5.88mm) chain for cleaning.

The KMC web site shows this link http://www.kmcchain.com.tw/index.php...o=view&id=1051
which is for a Reusable MissingLink 1/2" 11/128.

I could never find the CL559S link in the US, and would up buying 2 from England...I assume the CL559S stand for Chain Link, 5.59mm, Shimano...

FWIW....

DPN
CL559S KMC M/L 10S
http://www.ebikestop.com/kmc_missing...ins-CH4057.php
72guy is offline   Reply With Quote
Old 02-10-10, 10:23 AM   #23
davidad
Senior Member
 
Join Date: Feb 2009
Bikes:
Posts: 4,858
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
Quote:
Originally Posted by dvs cycles View Post
That has not been an acceptable method for many years. Was good with 7 and some 8 speed systems back in the day.
Yeah, but I have seen it work with Sram 9 speed chains.
davidad is offline   Reply With Quote
Old 02-10-10, 10:27 AM   #24
davidad
Senior Member
 
Join Date: Feb 2009
Bikes:
Posts: 4,858
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 11 Post(s)
When a master link is difficult to remove I use a pair of Channel lock pliers to squeeze the link open.
davidad is offline   Reply With Quote
Old 02-10-10, 11:17 AM   #25
joejack951
Senior Member
 
joejack951's Avatar
 
Join Date: May 2004
Location: Wilmington, DE
Bikes: 1984 Trek 660, 2003 Specialized Hardrock, 2004 LOOK KG386i (RIP), 2005 Iron Horse Warrior Expert, 2009 Pedal Force CX1, 2014 Islabikes CNOC 14 (son's)
Posts: 10,108
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 134 Post(s)
Quote:
Originally Posted by davidad View Post
Yeah, but I have seen it work with Sram 9 speed chains.
Work for how long? You can push the pins back in but seeing as how you've ruined the peening that was intended to hold the pin in place, it's only a matter of time before it works itself loose. It's simply not worth the risk to reuse those pins given the consequences of an untimely failure and the availability of cheap quick links.
joejack951 is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 03:46 PM.