1988 - 1992
APRILIA RX 125
Front sprocket
| JR
JR
Fits to:
APRILIA RX 125 FD Rally [1988 - 1990]
APRILIA RX 125 Six Days [1991 - 1992]
1990 - 1997 APRILIA RX 125
Transmision ratio:
| 11 | 13 | 14 | 15 | 16 | 17 | ||
| 42 | 3.82 +16.9% | 3.23 -1.1% | 3.00 -8.2% | 2.80 -14.3% | 2.62 -19.6% | 2.47 -24.4% | |
| 45 | 4.09 +25.2% | 3.46 +6.0% | 3.21 -1.6% | 3.00 -8.2% | 2.81 -13.9% | 2.65 -19.0% | |
| 49 | 4.45 +36.4% | 3.77 +15.4% | 3.50 +7.1% | 3.27 standard | 3.06 -6.2% | 2.88 -11.8% | |
Specifications
| Manufacturer | JR |
|---|---|
| Number of teeth | 14 |
| Chain pitch | 406 |