big2C/320/6/
C H A I N   R E P A I R
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     You  can  often  repair stiff
chain  links with  oil or  careful
lateral bending. Severe cases will
require   replacement   of  links.
Links  are replaced  in pairs,  an
inner link and an outer.
     1- and 3-speed bikes use 1/8"
wide  chain,  for  which  you  buy
master   links.   These   snap  on
easily.
     Derailleur-type bikes have no
master link, all the links are the
same. For these  chains you need a
chain  tool.  This  tool  drives a
rivet of  any link almost  all the
way  out  of  the  link, making it
possible  to  separate  the chain.
Never  drive  the  rivet  entirely
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out, since you will not be able to
re-install  it.  After  your chain
repair  is complete,  simply drive
the  rivet back  into position. If
stiff,  bend  the  link  laterally
(carefully)  to  make  it flexible
again.
     With  care,  you  can  use  a
hammer  and  a  nail  instead of a
chain tool to drive a rivet out.
     If  you  are  putting  a  new
chain  on a  derailleur bike,  the
correct  length   is  the  longest
possible  while   engaged  on  the
smallest  rear and  smallest front
sprockets without sagging.
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