Retrobike Forum Index

It is currently Fri Dec 02, 2016 7:22 pm

* Login   * Register * Search  * FAQ



Post new topic Reply to topic  [ 12 posts ]  Go to page 1, 2  Next
Author Message
PostPosted: Tue Jan 31, 2012 12:07 pm 
retrobike rider
retrobike rider

Joined: Fri Aug 13, 2010 10:14 pm
Posts: 3038
Location: Cheshire
What is the best practice?
I find chains wear out quicker than sprockets, so using a new chain on worn sprockets maybe not be ideal but there is no other way is there?
If buying a new chain for worn sprockets is it worth investing in high end chain or just use the cheapest available?

I dont know looking for an answer :roll:


Top
 Profile  
 
 Post subject: old chain
PostPosted: Tue Jan 31, 2012 2:28 pm 
retrobike rider
retrobike rider
User avatar

Joined: Fri Mar 13, 2009 7:19 pm
Posts: 3132
Location: Leeds, for ages!
best practice?

i've always been advised to replace chains and cassettes together. found it to be true aswell! i put a new chain on a 2nd hand "hardly used" cassette but wouldnt bite at all. real bad as i had to get uphill back to the house.

sometimes you get away with it though but the cassette has to be good.

unless we are talking hard to get expensive parts i would replace them both on grounds that you then know the mileage of both components and will/may save you messing about swapping again if needed. once a cassette lock ring is installed it is better left alone until absolutely necessary.

7/8 speed chains less than a tenner in some cases. 7/8 speed cassettes 10-18 quid.


Top
 Profile  
 
 Post subject:
PostPosted: Tue Jan 31, 2012 2:44 pm 
Old School Grand Master
User avatar

Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4420
Location: Herts UK
best practise is to buy a chain wear tool and replace when the chain has worn (not stretched) by 0.75 %

you can go through 3 or 4 chains on the same cassette before a new chain starts jumping.

obviously when the chain has worn by 0.75%, the cassette will have worn a tiny bit too so in theory the cassette will wear the chain out a bit quicker..... but even so, as chains are much cheaper than cassettes it is worth doing.


Top
 Profile  
 
 Post subject:
PostPosted: Tue Jan 31, 2012 6:33 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
User avatar

Joined: Sat Jun 20, 2009 3:45 pm
Posts: 5261
Location: Birmingham
i agree with the above, casettes last far longer and chains are cheaper so change chains first, i think a part worn cassette will wear a new chain quicker but then it all evens out.


Top
 Profile  
 
 Post subject:
PostPosted: Tue Jan 31, 2012 8:21 pm 
Gold Trader
Gold Trader
User avatar

Joined: Wed May 20, 2009 1:29 pm
Posts: 10798
Location: Manchester, UK
is this:

http://www.chainreactioncycles.com/Mode ... tedKingdom

worth the extra dosh over this?

http://www.chainreactioncycles.com/Mode ... tedKingdom


Top
 Profile  
 
 Post subject:
PostPosted: Tue Jan 31, 2012 8:28 pm 
retrobike rider
retrobike rider
User avatar

Joined: Sun Dec 18, 2011 10:42 pm
Posts: 2189
Location: milton keynes
we used to count 10 links, lay the chain in a straight line and hold both ends (of the 10 links) if you can get more than 1 inch movement on the 10th link i.e 1/2 inch up and 1/2 down the chain was deemed to be kaput and replaced. but that was bitd when we diddnt have new fangled things like chain wear checkers and cars... oh and electricity


Top
 Profile  
 
 Post subject:
PostPosted: Tue Jan 31, 2012 8:33 pm 
Gold Trader
Gold Trader
User avatar

Joined: Wed May 20, 2009 1:29 pm
Posts: 10798
Location: Manchester, UK
Chute55uk wrote:
we used to count 10 links, lay the chain in a straight line and hold both ends (of the 10 links) if you can get more than 1 inch movement on the 10th link i.e 1/2 inch up and 1/2 down the chain was deemed to be kaput and replaced. but that was bitd when we diddnt have new fangled things like chain wear checkers and cars... oh and electricity


yeah I know of a few old methods like that too, though I just warp it round the chainring (big to big) and guess :roll: :lol:


Top
 Profile  
 
 Post subject:
PostPosted: Tue Jan 31, 2012 9:07 pm 
Old School Grand Master

Joined: Sun Jun 27, 2010 9:37 am
Posts: 3976
Dead Rats wrote:


workshop=yes

home=no

i replace mine generally after every muddy ride. its not that i think you need to its just i'm lazy and never remember to clean my chain. then it goes rusty and unusable.


Top
 Profile  
 
 Post subject:
PostPosted: Wed Feb 01, 2012 12:01 pm 
Retrobike Sponsor
Retrobike Sponsor
User avatar

Joined: Sat May 22, 2010 10:33 pm
Posts: 2192
Location: Suffolk
I have customers who come and think also that the chain has to be replaced with the sprokets. sometimes this is true but sometimes not.

I always advise and replace chains at 0.75% wear. Normally when I do this and test ride the bike their is no slippage and the customer leaves happy that they have spent less than they feared. However this is only the case if the chain is changed at around 0.75% wear. Leave it till the wear gets to 1% or more and the chances are new cogs will be needed.

Sometimes however it does not work. Therefore a test ride up a hill in all gears is essential to ensure proper function. You can normally tell by the profile of the teeth though.


Top
 Profile  
 
 Post subject:
PostPosted: Wed Feb 01, 2012 12:03 pm 
Retrobike Sponsor
Retrobike Sponsor
User avatar

Joined: Sat May 22, 2010 10:33 pm
Posts: 2192
Location: Suffolk
Jamabikes, thats alot of chains you must go through.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 12 posts ]  Go to page 1, 2  Next

All times are UTC [ DST ]


Who is online

Users browsing this forum: catf, longun and 37 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  

About Us

Follow Retrobike

Other cool stuff

All content © 2005-2015 Retrobike unless otherwise stated.
Cookies Policy.
bikedeals - the best bike deals in one place
FatCOGS - Fat Chance Owner's Group

Powered by phpBB® Forum Software © phpBB Group