Holeshot XCR's are some of the meanest tires Ive ever seen I put them on my TRX200sx and them tires dont slide they bite on a 250r they might slide easier or even a Z-400 thats what im put ing the tires on them tires dont weight as much as everyone says oh there to heavy they are the same weight as my old ones but the will go over anything I went throught the mud pit yesterday and before these tires barley made it but with these tires no problem and I drove over beer bottled not on purpose and them tires are still holdin up well if you want more info email me at [email protected]