Le variateur Polini Hi-Speed Minarelli est munis de rouleaux 16x13 et convient très bien aux configurations sport. 

Inclut:
Rouleaux 6.7g
Ressort Polini Bleu

The Polini Hi-Speed ​​Minarelli variator is equipped with 16x13 rollers and is very suitable for sports configurations. 

Includes:
Rollers 6.7g
Torque Spring Polini Blue