RK Transmission Kit Open Chain XRE Blue/Grey 138 Links 428 Sprocket 62z Chainring 13 Teeth
for APRILIA SX 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-16%
Special Price €120.00 Regular Price €142.60The Motorcycle Transmission Kit is the perfect ally for those seeking high performance and reliability on the road. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, all designed to ensure smooth and long-lasting transmission.
The RK chain, with a pitch of 428 and a length of 138 links, features an innovative XW-Ring O-Ring system that reduces friction and increases tensile strength up to 2700 kg. Its attractive design, with a blue exterior and gray interior, not only offers a distinctive aesthetic but also ensures a secure closure thanks to the clip system.
The JT rear sprocket, with an inner diameter of 105 mm and 62 teeth, is made of durable steel to ensure long life. Its PCD of 125 mm and flat head mounting bolts provide perfect compatibility and stability during use.
The JT sprocket completes the kit with a wide-fit design and features 6 teeth. With an inner diameter ranging from 14 to 17 mm and a hole spacing of 28 mm, this sprocket is designed to fit perfectly on your motorcycle, offering responsive and precise transmission.
- RK Chain
- Pitch: 428
- Length: 138 links
- XW-Ring O-Ring System
- Tensile strength: up to 2700 kg
- Design: blue exterior and gray interior
- Clip closure system
- JT Rear Sprocket
- Inner diameter: 105 mm
- Number of teeth: 62
- Material: durable steel
- PCD: 125 mm
- Flat head mounting bolts
- JT Sprocket
- Wide-fit design
- Number of teeth: 6
- Inner diameter: variable between 14 and 17 mm
- Hole spacing: 28 mm
| Links | 138 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | XRE |
| Chain Color | Blue |
| Crown Color | Black |
| Crown Teeth | 62 |
| Crown Inner Diameter | 105 mm |
| Hole spacing | 125 mm |
| Pinion teeth | 13 |
| Pinion Diameter | 14/17 mm |
| Pinion Coupler | Big |






