6 speed chain: I need a new chainring. Compatibility issue

sawston_vulcan · Mar 21, 2018

Hi....My new bike has a 50T chainring [Shimano 130bcd] and I want to replace it with a 46T ring.

However, my bike has a 6 speed chain. I cannot find a chainring to match and so will need a 'modern' chainring....one that works in a 8 or 9 transmission.

My question is will the chain work ok with the new chainring? I will get either a TA replacement or Stronglight or Velosolo.

Any advice will be greatly appreciated

cromoman · Mar 22, 2018

Re:

It should work just fine.

Personally I'd avoid anything too fancy as some of the elaborate ramps and pins on the more expensive ones can cause issues if the chain is too wide. The stronglight 5083 cheap ones have always worked great for me.

foz · Mar 22, 2018

Any 8 speed chainring will be exactly the same as the old 6 speed one, in terms of tooth width. 6/7/8 are all 3/32". 9 speed is slightly narrower, but a 9 speed chainring will still work perfectly fine. Even 10 and 11 speed will probably work OK

sawston_vulcan · Mar 22, 2018

Thank you both...I got a TA chainring which is nominally 9 speed.

6 speed chain: I need a new chainring. Compatibility issue

sawston_vulcan

Senior Retro Guru

cromoman

Retro Guru

foz

sawston_vulcan

Senior Retro Guru

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