RK transmission kit open chain HSB 138-428 53 tooth sprocket racing 14 tooth for SWM Varez
for SWM VAREZ 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
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Special Price €63.70 Regular Price €65.50The Motorcycle Transmission Kit is the ideal solution for those looking to optimize the performance of their two-wheeler. Composed of an RK chain, an ESJOT sprocket, and an ESJOT crown, this kit is designed to ensure a 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 and gray color, both externally and internally, give it a sleek and modern appearance, while the clip closure system makes installation easy.
The ESJOT crown, with an inner diameter of 74 mm and a PCD of 100 mm, is made of steel to ensure durability and high performance. With 53 teeth and a flat head bolt type, it is designed for secure and precise fastening, ensuring optimal power transmission.
The ESJOT sprocket, with a wide snap-on fastening and 14 teeth, stands out for its racing construction. With an inner diameter ranging from 17.07 mm to 20 mm and a width of 7 mm, it offers versatile compatibility and an immediate response while riding.
- RK Chain
- Pitch: 428
- Number of links: 138
- Tensile strength: 2450 kg
- Color: gray (external and internal)
- Closure system: clip
- ESJOT Crown
- Inner diameter: 74 mm
- PCD: 100 mm
- Material: steel
- Number of teeth: 53
- Bolt type: flat head
- ESJOT Sprocket
- Fastening: wide snap-on
- Number of teeth: 14
- Inner diameter: 17.07 mm - 20 mm
- Width: 7 mm
| Links | 138 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | HSB |
| Chain Color | Grey |
| Crown Color | Black |
| Crown Teeth | 53 |
| Crown Inner Diameter | 74 mm |
| Hole spacing | 100 mm |
| Pinion teeth | 14 |
| Pinion Type | Racing |








