Originally Posted by Retmachinist
Red, Those are just chainrings, they are awfully thin for a motor drive sprocket. Do they seem to hold up o.k.? I would think there would be alot of side movement with the 415 or #41 chain.
I haven't had any problems with them. I've used several of them from my bikes to customer builds. I am currently using a 25T that I drilled myself.