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Tandem Club Discussion Board

Alloy or Stainless Steel Chainrings

Posted By: Matt Hodges
Date: 5 November 2008

Our tandem has the front chain on the right hand side running on a fourth chain ring mounted inside the normal three rings on the stokers cranks. It came with 28 tooth alloy rings for the front chain. Any thing larger would foul the chainstay. These rings wear quite heavily and I am now looking to replace them for the second time in under thirty thousand miles. I was hoping to find suitable stainless steel inner rings that would serve. (They are 4 bolt 64 BCD mounting on the same bolts as the 22T little ring.) The only suitable stainless steel rings I have been able to source are only 24T.
The question is, Would using 24T Stainless Steel rings result in less wear on rings and front chain than using 28T alloy rings bearing in mind that we ride throughout the winter on muddy and salty roads? Also are there any other considerations for or against using these smaller front rings?

I had also been looking for a stainless steel middle ring a I am renewing this for the third time. However the only one I can find is intended as a single speed ring and has no shifting gates and ramps to aid gear change so I am giving up that idea for now.

What do others think about the short life of Aluminium components. I am also into my third set of rims on this tandem?

Matt

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