RK Transmission Kit open chain XRE 114 links 520 sprocket 49z pinion 15z for Aprilia RX

The Motorcycle Transmission Kit is the ideal solution for those seeking high performance and reliability on the road. Composed of an RK chain, a JT sprocket, and a JT rear sprocket, this kit is designed to ensure smooth and long-lasting operation.

The RK chain, with a pitch of 520 and a length of 114 links, features XW-Ring type O-Rings, which provide a tensile strength of 3650 kg. Its open design and gray color, both externally and internally, give it a sleek and modern appearance, while the rivet closure ensures a robust connection.

The JT rear sprocket, with an inner diameter of 80 mm and a PCD of 106 mm, is made of steel to ensure optimal strength. With 49 teeth and a countersunk bolt type, it is designed for secure and precise fastening, thanks to its 6 fastening bolts.

The JT sprocket, with a small snap-on fastening, has an inner diameter that varies between 22 mm and 24 mm and a number of teeth that ranges from 15 to 22. This versatile design allows it to perfectly adapt to the needs of every motorcyclist, optimizing the transmission of engine power.

• RK Chain: pitch 520, length 114 links
• O-Ring type: XW-Ring
• Tensile strength: 3650 kg
• Color: gray (external and internal)
• Closure: rivet
• JT Rear Sprocket: inner diameter 80 mm
• PCD: 106 mm
• Material: steel
• Number of teeth: 49
• Bolt type: countersunk
• Number of fastening bolts: 6
• JT Sprocket: small snap-on fastening
• Inner diameter: varies between 22 mm and 24 mm
• Number of teeth: varies between 15 and 22