JT Open Chain X1R Transmission Kit 142 Links 428 Sprocket 62 Teeth 13 Teeth
for APRILIA, UM
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FIND YOUR BIKE - compatibility table
-12%
Special Price €92.30 Regular Price €105.40The JT Transmission Kit represents the ideal choice for motorcyclists seeking high performance and reliability. This complete kit includes a chain, a sprocket, and a front sprocket, all designed to work in perfect synergy, ensuring smooth and lasting operation.
JT X1R Chain: With a pitch of 428 and a length of 142 links, this chain features an innovative X-Ring O-Ring system, which reduces friction and increases durability. Its tensile strength of 2800 kg ensures superior performance even in the most demanding conditions. The grey color, both inside and out, gives it a sleek and modern appearance, while the clip closure facilitates installation and maintenance.
- Pitch: 428
- Number of links: 142
- System: O-Ring X-Ring
- Tensile strength: 2800 kg
- Color: Grey (inside and out)
- Closure: clip
JT Sprocket: Made of steel, the sprocket has an inner diameter of 105 mm and a PCD of 125 mm, with six flat-head mounting bolts for optimal stability. With 62 teeth, this sprocket is designed to provide quick and precise response, enhancing the acceleration and top speed of your motorcycle.
- Material: Steel
- Inner diameter: 105 mm
- PCD: 125 mm
- Number of bolts: 6 (flat head)
- Number of teeth: 62
JT Front Sprocket: Characterized by a wide engagement fitting, the front sprocket has an inner diameter ranging from 14 mm to 17 mm and a tooth count of 13. The distance between the mounting holes is 28 mm, while the width of 9 mm ensures excellent compatibility with the chain and sprocket. This front sprocket is designed to maximize transmission efficiency, offering smooth and responsive acceleration.
- Fitting: wide engagement
- Inner diameter: 14 mm - 17 mm
- Number of teeth: 13
- Distance between mounting holes: 28 mm
- Width: 9 mm
| Links | 142 |
|---|---|
| Pitch | 428 |
| Chain | Open |
| Chain Type | X1R |
| Chain Color | Grey |
| 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 |






