JT Transmission Kit Open Chain Z3 120-525 45T Sprocket Silent 17T for BMW S R

The JT Transmission Kit is the ideal solution for those looking to optimize their motorcycle's performance. Composed of a chain, a sprocket, and a pinion, this kit is designed to ensure smooth and durable operation.

The chain, with a pitch of 525 and a length of 120 links, features an innovative X-Ring O-Ring system, which offers a tensile strength of 4690 kg. Its open design and gray color, both inside and out, give it a sleek and modern appearance, while the rivet closure ensures stability and safety.

The sprocket, also branded JT, has a pitch of 525 and an inner diameter of 119 mm. With 45 teeth and a PCD of 140 mm, it is made of steel to guarantee robustness and reliability. The fastening bolts, with a flat head and a diameter of 12.5 mm, ensure precise and secure mounting.

The silent pinion, also signed by JT, completes the kit with a pitch of 525 and a tooth count of 17. Its small snap-on fastening and internal diameter dimensions, ranging from 26 mm to 30 mm, make it compatible with a wide range of motorcycles. With a width of 15 mm, it offers excellent performance without compromising riding comfort.

• Chain: pitch 525, length 120 links
• X-Ring O-Ring system with a tensile strength of 4690 kg
• Open design and gray color
• Rivet closure
• Sprocket: pitch 525, inner diameter 119 mm
• Sprocket tooth count: 45
• Sprocket PCD: 140 mm
• Sprocket material: steel
• Fastening bolts: flat head, diameter 12.5 mm
• Pinion: pitch 525, tooth count 17
• Small snap-on fastening
• Pinion internal diameter: 26 mm - 30 mm
• Pinion width: 15 mm