RK Transmission Kit Open Chain XRE Black 104-520 Black Sprocket 40z 14z Gear for Aprilia

The motorcycle transmission kit is the ideal solution for those seeking high performance and reliability. 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 104 links, features an O-Ring XW-Ring that guarantees a tensile strength of 3650 kg. Its open design and black color, both exterior and interior, give it an elegant and sporty appearance. The rivet closure and compatibility with the spring link 725.11.37 make it versatile and easy to install.

The JT crown, with an inner diameter of 62 mm and a PCD of 108 mm, is made of robust steel and has 40 teeth, ensuring optimal power transmission. The fastening bolts, with a flat head and a diameter of 8.5 mm, provide superior stability and safety during use.

The JT sprocket, designed for a small snap-fit, offers a variable number of teeth between 14 and 22, allowing you to adapt the transmission to different riding needs. With an inner diameter ranging from 22 mm to 24 mm, it integrates perfectly with the chain and crown, completing an efficient and high-performance transmission system.

Choosing this transmission kit means investing in a complete and synergistic set, capable of enhancing your motorcycle's performance and tackling every journey with confidence and style.

• RK chain
• Pitch: 520
• Length: 104 links
• O-Ring: XW-Ring
• Tensile strength: 3650 kg
• Design: open, black color (exterior and interior)
• Closure: rivet
• JT crown
• Inner diameter: 62 mm
• PCD: 108 mm
• Material: robust steel
• Number of teeth: 40
• Fastening bolts: flat head, diameter 8.5 mm
• JT sprocket
• Attachment: small snap-fit
• Number of teeth: variable between 14 and 22
• Inner diameter: between 22 mm and 24 mm