Steel Output Sprocket - 420 13 Teeth by RFX
Output sprocket designed for motocross, CNC machined from cemented alloy steel to withstand wear. The design with tight tolerances ensures precise engagement for stable transmission. 13-tooth profile compatible with 420 chain for direct replacement on the relevant transmissions.
Design and Materials
- CNC machining with extremely tight tolerances ensuring precise engagement and uniform wear.
- Cemented alloy steel refined to the core with high hardness to enhance mechanical resistance in intensive use.
- Lightening holes present on certain models to reduce the mass of the part on these references.
Practicality and Features
- Designed for motocross, suitable for off-road demands.
- 13-tooth profile for 420 chain allowing direct replacement of the sprocket with these specifications.
Advantages
- OEM Reference FXFS59-1355ST
- Product photo available for visual verification before installation
Examples of Compatible Motorcycles
- KTM 65 SX (2027 - 65 cm³)
- HUSQVARNA TC 65 (2027 - 65 cm³)
- GAS-GAS MC 65 (2027 - 65 cm³)
Complete list of compatible motorcycles available in the dedicated section below