RK Open Chain XRE Transmission Kit Black 102-520 Black Sprocket 40T 14T Gear for Yamaha SR

The Motorcycle Transmission Kit is the ideal solution for those looking to optimize the performance of their two-wheeler. Composed of an RK chain, a JT sprocket, and a JT crown, this kit is designed to ensure smooth and long-lasting operation.

The RK chain, with a pitch of 520 and a length of 102 links, features an XW-Ring type O-Ring, which offers a tensile strength of 3650 kg. Its open design and rivet closure ensure easy installation and perfect adaptability. The black color, both externally and internally, gives it an elegant and sporty appearance.

The JT crown, with an inner diameter of 62 mm and a PCD of 80 mm, is made of durable steel. With 40 teeth and a 6-bolt flat head fastening system, it guarantees perfect compatibility and stability during use.

The JT sprocket, with a wide engagement fastening and a tooth count of 14, is designed to provide a quick and precise response. With an inner diameter ranging from 21 mm to 25 mm and a hole spacing of 42 mm, it integrates perfectly with the crown and chain, ensuring smooth acceleration and optimal power management.

• RK chain: pitch 520, length 102 links
• XW-Ring type O-Ring with a tensile strength of 3650 kg
• Open design and rivet closure for easy installation
• Black color externally and internally
• JT crown: inner diameter 62 mm, PCD 80 mm
• Material: durable steel
• 40 teeth and 6-bolt flat head fastening system
• JT sprocket: wide engagement fastening, 14 teeth
• Inner diameter ranging from 21 mm to 25 mm
• Hole spacing of 42 mm