Plastic cage (guide) for P2R 3-ball variator for MBK 51 / motobecane AV10 / AV7

Ideal for modifying and lightening your small original variator on MBK 51 AV10, AV7, ... Here is the plastic ramp, cage (guide) to modify your original 3-ball ball variator! An excellent way to modify your performance and to tune your variation with a prepared engine configuration or not.