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Old 21st August 2008   #1
mongrel
 
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Slack chain efficiency training

I can never keep my chain totally tight. It used to annoy the hell outta me, but now I've got to thinking there might be some benefit to a bit of slackness in the chain.

Pedalling smoothly and efficiently is all about applying even power for as much of the pedal strokes as possible, right? So I've taken to using that annoying feeling of give before the chain bites on the sprockets as a warning that my pedalling is inefficient, and so I reckon it's improving my riding by always trying to eliminate this...

Just a random thought really.
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Old 21st August 2008   #2
pete
 
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yeh.. might work

get yourself a chain tensioner if you wanna get the chain tight
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Old 21st August 2008   #3
livingasleep
chain tugs work nicely. I have a spare 8MM MKS one if you want it. Keeps chain nice and tight.

I personally hated that bit of give, drove me nuts. Trackstanding is easier without the give as well. Your machine just runs so much smoother with a taught chain.
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Old 21st August 2008   #4
whatfriends
 
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but things wear out quicker if its all too tight.
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Old 21st August 2008   #5
|³|MA3K
 
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That's the trick isn't it?
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Old 21st August 2008   #6
deadly fanny pack
 
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Quote:
Originally Posted by livingasleep View Post
chain tugs work nicely. I have a spare 8MM MKS one if you want it. Keeps chain nice and tight.

I personally hated that bit of give, drove me nuts. Trackstanding is easier without the give as well. Your machine just runs so much smoother with a taught chain.
chain should never be "taught"

will create loads of resistance and wear things out quicker as whatfriends has mentioned.

Removing slack is good for a solid 'direct' feeling favoured by those who like to do backwards circles and the like.

But A bit of slack in your chain will make everything last longer, and spin smoother.
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Old 21st August 2008   #7
Object
 
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I've had this conversation with a lot of people in the last week.
It's refreshing that most people seem to be realising that a little bit of slack is a good thing.

OSCC FTW.
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Old 21st August 2008   #8
fred
 
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Object advocating moderation? what is going on?
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Old 21st August 2008   #9
provenrad
 
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he's sober.
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Old 21st August 2008   #10
Object
 
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I cannot advocate moderation as I do not understand it. The concept makes sense until I try and apply it to anything that I do.

Last edited by Object; 21st August 2008 at 16:37.. Reason: Who edited what?
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Old 21st August 2008   #11
hippy
 
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Quote:
Originally Posted by pete View Post
yeh.. might work
get yourself a chain tensioner if you wanna get the chain tight
Chain TUG..


NOT a chain tensioner..


Tensioners on fixed = BANG DEATH
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Old 21st August 2008   #12
hippy
 
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My chain is always fucking slack.. just like its owner.
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Old 21st August 2008   #13
villa-ru
 
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Slack in the chain = slack in the brain, as they say in the Marine Corps.

SMARTEN UP SOLDIER!
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Old 21st August 2008   #14
hippy
 
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No, it just means mine driveline doesn't wear out as quick as yours*.


*Benefit negated by the fact that my chain is lubed solely with road grit and sand.
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Old 21st August 2008   #15
pete
 
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Quote:
Originally Posted by hippy View Post
Chain TUG..


NOT a chain tensioner..


Tensioners on fixed = BANG DEATH
ah yes.. you have a point there. nice 1
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Old 16th September 2008   #16
wools
 
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This seems like a good place to find out what be gwarnin' with my slack-ass chain. Am I right in thinking that my chainring isn't an exact circle? I've got a TA Alize Track chainring and the chain is tighter at one point in the chainring's rotation than the rest. It's annoying the hell out of me as, although tension at the tightest point of the rotation is fine, at its slackest it's frickin' slack. Any suggestions?

Befuddled in Bethnal.
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Old 16th September 2008   #17
fruitbat
 
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http://www.londonfgss.com/thread907.html

Use the search, it is your friend
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Old 16th September 2008   #18
wools
 
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Cheers fruitbat. Did a bit of searching before posting but that one didn't come up. Looks like I need to work on my search terms! Thanks for pointing me in the right direction.
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Old 17th September 2008   #19
MacDingle
 
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I took slack chain to the limits yesterday coming down BRixton Hill when it actually popped off and got caught in my hub. This had the nasty effect of jamming my back wheel and I can only thank years of skating/snowboarding which I'm sure enabled me to ride out the skid.
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Old 17th September 2008   #20
bikepimp-rcyb
 
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half an inch of movment each way or you'l go to hell
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Old 17th September 2008   #21
wools
 
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Quote:
Originally Posted by bikepimp-rcyb View Post
half an inch of movment each way or you'l go to hell
This is what I'm trying to go for. At its tightest it's about that (probably a little tighter) but at its slackest you could easily double that. I'm going to take the chainring off and rotate it two crank positions clockwise. Judging from what I've read in the thread suggested above by fruitbat the quest for good all round chain tension can be an arduous one. Frick!
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Old 22nd September 2008   #22
rocket ron
chain tugs

Quote:
Originally Posted by hippy View Post
Chain TUG..


NOT a chain tensioner..


Tensioners on fixed = BANG DEATH
Where can I get these from? I tried a couple of shops today but neither had any.
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Old 22nd September 2008   #23
hippy
 
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Tugs = hubjub.co.uk, Condor

Tensioners = cycle surgery, etc
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Old 22nd September 2008   #24
Khornight2
Quote:
Originally Posted by wools View Post
Judging from what I've read in the thread suggested above by fruitbat the quest for good all round chain tension can be an arduous one.
It's really not that hard, what he says about hitting the chain with something (I use a monkey wrench) works. At least I'm not a mechanic and the first time I tried it I could see the difference, the problem I have is tightening the bolts that hold the gear to the spider... they are always coming loose (I've actually lost about 4 bolts already!)... I've just learnt to live with the fact that if I change the direction of pressure I loose an inch to the gear shifting on the spider!

Quote:
Originally Posted by MacDingle
I took slack chain to the limits yesterday coming down BRixton Hill when it actually popped off and got caught in my hub.
same thing happened to me a couple of weeks ago, only coming down the hill just after clapham north, had a flat, street repair, obviously didn't tighten chain enough, chain wrapped around wheel and I skidded for what seemed like about 20 yards... ruined the tyre but was impressed that I managed to not fall off...
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