RK Transmission Kit Open Chain HSB 138 Links 428 Black Sprocket 56T 14T Pinion
for BETAMOTOR ALP 4T 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-11%
Special Price €52.30 Regular Price €58.70The Transmission Kit is the perfect ally for every motorcyclist looking to optimize their bike's performance. Composed of an RK chain, an ESJOT sprocket, and a JT pinion, this kit is designed to ensure smooth and responsive transmission.
The RK chain, with a pitch of 428 and a length of 138 links, offers a tensile strength of 2450 kg, ensuring robustness and reliability. Its open design, free of O-Rings, makes it lightweight and suitable for those seeking high performance. The gray color gives it an elegant and modern appearance.
The ESJOT sprocket, with an inner diameter of 58 mm and a PCD of 90 mm, is made of durable steel and features 56 teeth for optimal power transmission. Its black color not only makes it aesthetically pleasing but also protects it from wear and corrosion.
The JT pinion completes the kit with a wide snap-on fitting, ensuring easy installation. With 14 teeth and an inner diameter ranging from 16 to 20 mm, it is designed to fit perfectly with your bike's transmission system, while the distance between the mounting holes of 34 mm ensures stability and safety.
- RK Chain
- Pitch: 428
- Length: 138 links
- Tensile strength: 2450 kg
- Design: open, free of O-Ring
- Color: gray
- ESJOT Sprocket
- Inner diameter: 58 mm
- PCD: 90 mm
- Material: durable steel
- Teeth: 56
- Color: black
- JT Pinion
- Fitting: wide snap-on
- Teeth: 14
- Inner diameter: 16-20 mm
- Distance between mounting holes: 34 mm
| Links | 138 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | HSB |
| Chain Color | Grey |
| Crown Color | Black |
| Crown Teeth | 56 |
| Crown Inner Diameter | 58 mm |
| Hole spacing | 90 mm |
| Pinion teeth | 14 |
| Pinion Diameter | 16/20 mm |
| Pinion Coupler | Big |








