Quote:
Originally Posted by Frank06
What attracted me to the 415 was potential for rotating weight savings. I didn't even think about 428.
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If you want rotating weight savings, look at the weight of the tires you are using. Since the distance of the tire from the center of rotation is much greater than the distance of the sprockets from their rotation centers, any weight savings in the tires has far more effect that the sprockets and chain. Not that I'm necessarily saying that Moto3 sized tires are the way to go, but I checked the weight difference between Dunlop A-13s and Dunlop Moto 3 sized slicks. Mounted on the correct rim for each size, the weight difference was six pounds lighter for the slicks! Even between different brands of the same size tire there are huge differences.