Regina chain kit consisting of chain, front and rear sprocket with original ratios. Regina chain kits represent the best solution for most of the motorcycles in circulation for a perfect replacement of the secondary transmission. Complete and ready-to-assemble kit, ideal both for mechanics and motorcyclists: each kit is equipped with heat treated sprocket, induction hardened crown and the right Regina chain for each type of application. Regina chains use the latest generation O-rings, which ensure a long life in all riding conditions: constant lubrication, thanks to the special high temperature grease present in the critical area of the pin and bushing. The high carbon content alloy pins reduce wear to a minimum: together with bushings and seamless cylinders, maximum durability is guaranteed. Sprocket and crown made of high quality steel.