RK Transmission Kit chain HSB 122-428 rear sprocket 54z front sprocket 13z Yamaha TT-R L
for YAMAHA TT R L 125
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-11%
Special Price €46.70 Regular Price €52.70The Motorcycle Transmission Kit is the ideal solution for those looking to enhance the performance of their vehicle. This kit consists of three essential components: an RK chain, a JT sprocket, and a JT rear sprocket, designed to ensure smooth and reliable operation.
The RK chain, with a pitch of 428 and a length of 122 links, features a tensile strength of 2450 kg, ensuring robustness and durability over time. Its open design and gray color, both inside and out, give it an elegant and sporty appearance. The clip closure makes installation and maintenance easy.
The JT sprocket, with an inner diameter of 62 mm and a PCD of 80 mm, has 54 teeth made of steel, ensuring optimal power transmission. The four flat-head mounting bolts provide unparalleled stability during use.
Finally, the JT rear sprocket, with a wide engagement fitting and 13 teeth, is designed to fit perfectly into the transmission system. Its robust construction and variable inner diameter between 16 mm and 20 mm make it versatile and compatible with various configurations.
- RK Chain
- Pitch: 428
- Length: 122 links
- Tensile strength: 2450 kg
- Design: open, gray color (inside and outside)
- Closure: clip
- JT Sprocket
- Inner diameter: 62 mm
- PCD: 80 mm
- Number of teeth: 54
- Material: steel
- Mounting bolts: 4 flat-head
- JT Rear Sprocket
- Fitting: wide engagement
- Number of teeth: 13
- Inner diameter: variable between 16 mm and 20 mm
| Links | 122 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | HSB |
| Chain Color | Grey |
| Crown Color | Black |
| Crown Teeth | 54 |
| Crown Inner Diameter | 62 mm |
| Hole spacing | 80 mm |
| Pinion teeth | 13 |
| Pinion Diameter | 16/20 mm |
| Pinion Coupler | Big |








