RFX Pro Series Black Zinc Front Sprockets are CNC machined to the tightest tolerances from high tensile steel and case hardened to 60 Rockwell to resist wear and ensure longevity.
Pro Series sprockets also feature lightening holes were necessary and self-clearing mud grooves on both sides to resist dirt build up and help prolong sprocket and drive chain life.
The RFX Pro Front Sprocket comes with a Black Zinc plated finish which helps combat mild corrosion (rust) caused by bike washing compared to bare plated sprockets and give that factory look.
Features:
| Model | Year | Pitch | Part Number |
| CR 250 | 92-95 | 520 | FXFS 11-13 |
| CR 250 | 96-01 | 520 | FXFS 11-13 |
| CR 250 | 02-03 | 520 | FXFS 11-13 |
| CR 250 | 04 | 520 | FXFS 11-13 |
| CR 250 | 05-07 | 520 | FXFS 11-13 |
| CR 250 | 88-89 | 520 | FXFS 11-14 |
| CR 250 | 90-91 | 520 | FXFS 11-14 |
| CR 500 | 88-91 | 520 | FXFS 11-14 |
| CR 500 | 92-01 | 520 | FXFS 11-14 |
| CRF 450 | 17-19 | 520 | FXFS 11-13 |
| CRF 450 | 02-03 | 520 | FXFS 11-13 |
| CRF 450 | 04-16 | 520 | FXFS 11-13 |
| CRF 450 RX | 2019 | 520 | FXFS 11-13 |
| CRF 450 X | 05-18 | 520 | FXFS 11-14 |
| TRX 450R (QUAD) | 04-05 | 520 | FXFS 11-14 |
| TRX 450R/ER (QUAD) | 06-15 | 520 | FXFS 11-13 |
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British Pounds