RK Open Chain MXZ5 Transmission Kit Gold 112 Links 520 Black Sprocket 50z Racing Pinion 13z
for GAS GAS EC / EC F 4T 250
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-12%
Special Price €109.10 Regular Price €123.50Enhance your motorcycle's performance with our transmission kit, a perfect set of components designed to ensure efficiency and durability over time. This kit includes an RK MXZ5 chain, featuring a pitch of 520 and a length of 112 links, finished in an elegant gold. Its tensile strength of 3630 kg ensures optimal performance even in the most challenging conditions.
Complete the kit with the JT sprocket, which boasts an inner diameter of 136 mm and a PCD of 156 mm, designed for secure mounting with its 6 recessed bolts. With 50 teeth, this steel sprocket offers a responsive feel and increased acceleration, ideal for riders looking to get the most out of their machine.
Finally, the JT pinion, with a racing design and a tooth count of 20, is engineered for precise engagement and smooth power transmission. With an inner diameter ranging from 20 mm to 22.1 mm, this pinion ensures perfect compatibility with the rest of the kit.
- RK MXZ5 Chain
- Pitch: 520
- Number of links: 112
- Finish: Gold
- Tensile strength: 3630 kg
- JT Sprocket
- Inner diameter: 136 mm
- PCD: 156 mm
- Number of bolts: 6 (recessed)
- Number of teeth: 50
- Material: Steel
- JT Pinion
- Number of teeth: 20
- Inner diameter: 20 mm - 22.1 mm
- Design: Racing
| Links | 112 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXZ5 |
| Chain Color | Gold |
| Crown Color | Black |
| Crown Teeth | 50 |
| Crown Inner Diameter | 136 mm |
| Hole spacing | 156 mm |
| Pinion teeth | 13 |
| Pinion Type | Racing |
| Pinion Diameter | 20/22.2 mm |
| Pinion Coupler | Small |








