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Replacement chainring?
#1
Hello!

Having trouble trying to find a replacement chainring for my bike. It's just the middle ring that's worn so trying to replace only that.

It's a shimano SG chainring, 36 teeth, 5 bolts with a BCD of 110mm. On an 8spd bike.

Been to a local bike shop and they got me a 36 tooth, 5 bolt 110 BCD. But it didn't work as it was thinner and the chainring bolts stuck out somewhat and got in the way of the chain.

I normally get stuff off Chain Reaction Cycles (I'm based in the UK) - http://www.chainreactioncycles.com/ - But couldn't see anything that might match?!

Any help, much appreciated.
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#2
Use the thinner chainring, and some shims to position it so that the teeth are centered between the inner and outer teeth.
Nigel
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#3
(05-23-2012, 07:46 AM)Bikefactory1 Wrote:  Use the SL chain, it's light and strong, and most importantly available of various colors. And the SL stands for Super Light and that is exactly 1/2' x 1/8' chain.

1/8" wide chains do NOT work with derailleur equipped bicycles - they need 3/32" wide chains (nominal) and the chain "speed" much match the rear derailleur "speed". For example a 7 speed chain, with an 8 speed rear derailleur, will result in lots of noise and rough pedaling.
Nigel
  Reply


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