so im finally looking for a new sprocket and chain set for my 2005 honda 400ex. it still has to original chain and sprockets on it. i know i have been neglectful by not changing them. but they really arent in that bad of shape. im looking at the primary drive sprockets. they are affordable compared to other brands. i know that o- ring chains are the way to go, and that x-ring chains are better. but im not sure if i should go with the 7075 self cleaning aluminum or the high grade hardened steel sprockets. the aluminum will be a little lighter and the steel(i would imagine) which will lighten the drive train somewhat. i want something that will last long a while. i lube my chains before every ride. i just want to know what people thought about these kits and other chains and sprockets.

 

I have a Primary Drive x-ring chain and steel sprockets on mine. I like them. After initial break-in I haven't noticed any stretching. Personally I would recommend the steel sprockets. They will last much longer than aluminum for a minimal amount of weight difference.