Originally Posted by
Velo Mule
If you are riding everyday for work, you may need a more durable chainring. The Aluminum Chanirings wear out sooner. The teeth will get hooks on them. You might wear out the steel ones too. But, it will take longer.
+1
There is not as much difference in mass between aluminum and steel rings as the material density would indicate, because there is more aluminum by volume in the aluminum rings than there is steel in the steel rings.