torque spring Polini Evo-Slider -18% for Piaggio

Aprilia SR 50 R Factory Di-Tech -8% Clutch Spring Polini Evo-Slider

Aprilia SR 50 R LC -18% Clutch Spring Polini Evo-Slider

Aprilia SR 50 Street LC -18% Clutch Spring Polini Evo-Slider

Aprilia SR50 Racing -18% Clutch Spring Polini Evo-Slider 2003-

Aprilia SR 50 LC 04-09 (Carb) -18% Clutch Spring Polini Evo-Slider

Aprilia SR 50 LC 10-13 (Carb) -18% Clutch Spring Polini Evo-Slider

Aprilia SR 50 LC 03-12 -18% Clutch Spring Polini Evo-Slider