[beatr911]

Originally Posted by sendler

I put a 1 tooth bigger sprocket on the front. Still waiting for the steel -1 and -2 tooth rear sprockets from Thailand.
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Honda CBR250R Forum : Honda CBR 250 Forums - View Single Post - Longer gearing available?
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Sendler, good info on the front sprocket. Have you tried PBI sprockets for the rear? They have steel and aluminum and can build to your spec. They could be a good source.

My aluminum rear shows no wear after 5600 miles on the chinese 200, but I'm also using a scottoiler.