i wouldent be using them for racing or anything just a nice tire for my honda cbr
you need to put the kind that came from the factory with it,they will be a lot safer,they have been tesed and tested,the tire's are not something you want to be guessing at,been riding 41 years and learned the hard way,only go with what came from the factory
junk you must not ride very much
Great racing tire, WAY too soft for the street. You'd have to replace them too soon. Check out michelin pilots. Best bang for the buck:)