RK Transmission Kit Open Chain HSB 126-428 Sprocket 43T Pinion 14T for Yamaha YS 125

The Motorcycle Transmission Kit is the ideal solution for those seeking high performance and reliability on the road. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, designed to work in perfect synergy and ensure a smooth and responsive transmission.

The RK chain, with a pitch of 428 and a length of 126 links, features a tensile strength of 2450 kg, ensuring robustness and durability over time. Its open design and gray color, both externally and internally, make it not only functional but also aesthetically pleasing. The clip closure facilitates installation and maintenance.

The JT rear sprocket, with an inner diameter of 76 mm and a PCD of 100 mm, is made of steel to ensure a long service life. With 43 teeth and six flat-head mounting bolts, it offers excellent stability and perfect compatibility with your motorcycle's transmission system.

The JT sprocket, equipped with a wide engagement and a tooth count of 14, is designed to optimize the power and speed of your vehicle. With an inner diameter ranging from 18 mm to 22 mm and a hole spacing of 35.5 mm, it integrates perfectly with the rear sprocket and chain, ensuring a simple and precise installation.

• RK Chain: pitch 428, length 126 links, tensile strength 2450 kg, open design, gray color, clip closure.
• JT Rear Sprocket: inner diameter 76 mm, PCD 100 mm, steel material, 43 teeth, six flat-head mounting bolts.
• JT Sprocket: wide engagement, 14 teeth, variable inner diameter 18 mm - 22 mm, hole spacing 35.5 mm.