RK Transmission Kit Open Chain MXZ5 Red 112 Links 520 Black Sprocket 49z Racing Sprocket 13z
for HONDA CR R 250
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FIND YOUR BIKE - compatibility table
-12%
Special Price €116.50 Regular Price €132.20The Motorcycle Transmission Kit is the ideal solution for those seeking high performance and reliability in every situation. Composed of an RK chain, a JT sprocket, and a JT rear sprocket, this kit is designed to ensure excellent synergy between the components, providing a smooth and responsive transmission.
The RK chain, with a pitch of 520 and a length of 112 links, features a tensile strength of 3630 kg, making it perfect for tackling the most challenging tasks. Its open design and the external red color, combined with a black interior, not only give it an attractive appearance but also ensure optimal performance. The clip closure facilitates installation, while the absence of O-Rings makes it lightweight and suitable for racing applications.
The JT rear sprocket, with an inner diameter of 125 mm and a PCD of 153 mm, features 49 teeth made of robust steel, ensuring exceptional durability and quick response in acceleration. The tapered bolts and six-bolt fastening guarantee unparalleled stability, allowing you to tackle every curve with confidence.
The JT sprocket, with a small engagement and a tooth count of 17, is designed to maximize the transmitted power, while the width of 9.5 mm ensures perfect integration with the other components of the kit. The range of inner diameters, from 21.2 mm to 23.8 mm, allows for versatile mounting on different motorcycles.
- RK chain: pitch 520, length 112 links, tensile strength 3630 kg
- Open design with external red color and black interior
- Clip closure for easy installation
- Absence of O-Rings for increased lightweight and racing use
- JT rear sprocket: inner diameter 125 mm, PCD 153 mm, 49 teeth made of steel
- Exceptional durability and quick response in acceleration
- Tapered bolts and six-bolt fastening for stability
- JT sprocket: small engagement, 17 teeth, width 9.5 mm
- Range of inner diameters from 21.2 mm to 23.8 mm for mounting versatility
| Links | 112 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXZ5 |
| Chain Color | Red |
| Crown Color | Black |
| Crown Teeth | 49 |
| Crown Inner Diameter | 125 mm |
| Hole spacing | 153 mm |
| Pinion teeth | 13 |
| Pinion Type | Racing |
| Pinion Diameter | 21/23.8 mm |
| Pinion Coupler | Small |








