RK Transmission Kit open chain HSB 140 links 428 sprocket 54 teeth racing pinion 14 teeth

Enhance the performance of your motorcycle with our transmission kit, a perfect set of components designed to ensure smooth and responsive operation. This kit includes an RK chain, an ESJOT sprocket, and an ESJOT rear sprocket, all made to meet the needs of the most demanding motorcyclists.

The RK chain, with a pitch of 428 and a length of 140 links, offers a tensile strength of 2450 kg, ensuring powerful and reliable transmission. Its open structure and O-Ring-less design make it lightweight and high-performing, while the gray color adds a touch of elegance.

The ESJOT rear sprocket, with an inner diameter of 125 mm and a tooth count of 54, is made from durable steel. Its 6-bolt countersunk fastening ensures optimal stability, while the PCD of 150 mm and the bolt hole diameter of 8.5 mm guarantee perfect compatibility with your vehicle.

Completing the kit is the ESJOT sprocket, designed for maximum racing performance. With a tooth count of 14 and a wide fitting, it offers excellent acceleration and responsiveness. The width of 7 mm and the variable inner diameter between 17.07 mm and 20 mm ensure easy and secure installation.