RK Transmission Kit Open Chain HSB 112-428 Black Sprocket 37z 16z Gear for Yamaha DT
for YAMAHA DT 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-11%
Special Price €36.50 Regular Price €40.80The Motorcycle Transmission Kit is the ideal solution for those seeking high performance and reliability in their vehicle. Composed of an RK chain, a JT sprocket, and a JT crown, this kit is designed to ensure smooth and lasting operation.
The RK chain, with a pitch of 428 and a length of 112 links, offers a tensile strength of 2450 kg, ensuring optimal power transmission. Its open structure, free of O-Rings, is perfect for those looking for reduced weight and increased responsiveness. The gray color, both externally and internally, gives it an elegant and sporty appearance.
The JT crown, with an inner diameter of 62 mm and 37 teeth, is made of robust steel, ensuring long durability and high performance. It is secured with 6 flat-head bolts, with a PCD of 80 mm and a bolt hole diameter of 10.5 mm, ensuring uncompromised stability.
The JT sprocket completes the kit with a wide engagement fitting, available with 16 teeth and an inner diameter varying between 16 and 20 mm. The distance between the mounting holes is 34 mm, with 2 bolts to ensure a secure and reliable connection.
- RK Chain
- Pitch: 428
- Length: 112 links
- Tensile strength: 2450 kg
- Structure: open, free of O-Ring
- Color: gray (external and internal)
- JT Crown
- Inner diameter: 62 mm
- Teeth: 37
- Material: robust steel
- Mounting: 6 flat-head bolts
- PCD: 80 mm
- Bolt hole diameter: 10.5 mm
- JT Sprocket
- Mounting: wide engagement
- Teeth: 16
- Inner diameter: varying between 16 and 20 mm
- Distance between mounting holes: 34 mm
- Bolts: 2 for secure connection
| Links | 112 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | HSB |
| Chain Color | Grey |
| Crown Color | Black |
| Crown Teeth | 37 |
| Crown Inner Diameter | 62 mm |
| Hole spacing | 80 mm |
| Pinion teeth | 16 |
| Pinion Diameter | 16/20 mm |
| Pinion Coupler | Big |








