Originally Posted by
VintageTTfan
A Colnago. Another similar example of disc wheel art to what I have been showing you....very cool. What I really like is the unique huge solid chain ring. I love how it looks, but could someone explain the purpose of it being like that? Interesting handlebars too. Nice period correct saddle too. This is a nice track bicycle.
Think it's just the same as a disc wheel - preventing the spider arms from stirring up the air. Edit: what T-Mar said.
Sugino were doing something similar with their 75 CHCD cranks:
