AFAM 42 teeth not 520 type 13817 Yamaha YZF R1 M

AFAM Racing aluminium crowns are also more resistant thanks to hard anodization. Most of these crowns exist in original steps, but also in a conversion for a narrower chain. These AFAM crowns have tolerances suitable for running and have an optimized design for maximum weight gain to ensure the most efficient transmission possible.

- Crown alu racing not 520, 42 teeth, type: 13817
- Ultra-light
- Reinforced friction and wear resistance
- Finish and high quality
- Indispensable in competition