Aprilia SR 50 R Factory Di-Tech -18% Clutch Spring Polini Evo-Slider

Aprilia SR 50 R LC -30% Clutch Spring Polini Evo-Slider

Aprilia SR 50 Street LC -30% Clutch Spring Polini Evo-Slider

Aprilia SR50 Racing -30% Clutch Spring Polini Evo-Slider 2003-

Aprilia SR 50 LC (2018 Onwards) -30% Clutch Spring Polini Evo-Slider

Aprilia SR 50 LC (2014-17) -30% Clutch Spring Polini Evo-Slider

Aprilia SR 50 LC 04-09 (Carb) -30% Clutch Spring Polini Evo-Slider

Aprilia SR 50 LC 10-13 (Carb) -30% Clutch Spring Polini Evo-Slider