Campagnolo lockrings an often discussed and confusing subject do they come with the cassette do they come with the wheel do you have to buy them separately if you purchase any ratio cassette they supply no lockring this is because most campagnolo rear hubs and prebuilt rear wheels should come supplied with a lockring that functions with a 12t or a 13t cassette some select few wheelsets are not supplied with these though so you may need to purchase one of these lockrings these lockrings