RK Transmission Kit Open Chain MXZ5 Blue 114 Links 520 Black Sprocket 50z Racing Pinion 13z
for GAS GAS EC / EC F 4T, EC F 4T
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-12%
Special Price €117.20 Regular Price €133.10Enhance your motorcycle's performance with our transmission kit, a perfect set of components designed to provide an unparalleled riding experience. This kit includes an RK MXZ5 chain, a JT sprocket, and a JT rear sprocket, all made to ensure optimal compatibility and immediate response.
The RK MXZ5 chain, with a pitch of 520 and a length of 114 links, is designed to tackle the most challenging conditions. Its tensile strength of 3630 kg and the blue exterior color make it not only robust but also aesthetically appealing. The clip closure ensures easy installation, while the open design without O-Rings makes it ideal for racing conditions.
The JT sprocket, with an inner diameter of 136 mm and a PCD of 156 mm, is made of steel to ensure durability and strength. With 50 teeth and tapered bolts, it offers perfect grip and stability, allowing for optimized power transmission from the engine.
Completing the kit is the JT rear sprocket, designed for maximum performance. With a tooth count of 20 and a small engagement fitting, it perfectly adapts to the transmission system. The width of 5.7 mm and the internal diameters ranging from 20 mm to 22.1 mm ensure uncompromised compatibility.
- RK MXZ5 Chain:
- Pitch: 520
- Length: 114 links
- Tensile strength: 3630 kg
- Color: blue exterior
- Closure: clip
- Design: open without O-Ring
- JT Sprocket:
- Inner diameter: 136 mm
- PCD: 156 mm
- Material: steel
- Teeth: 50
- Bolts: tapered
- JT Rear Sprocket:
- Teeth: 20
- Fitting: small engagement
- Width: 5.7 mm
- Internal diameters: between 20 mm and 22.1 mm
| Links | 114 |
|---|---|
| Pitch | 520 |
| Chain | Open |
| Chain Type | MXZ5 |
| Chain Color | Blue |
| 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 |








