Secondary gear POLINI z.15/54 Aprilia SXR 50i HE E5

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Polini long gear ratio for Aprilia SXR 50 4T E5

By equipping the Aprilia SXR 50 with the Polini gear kit, it becomes easier to reach top speed, with a 20% increase.
The Polini long gear ratio for Aprilia SXR 50 4T E5 features a 15-54 ratio, which is longer than the original 13-56.
The gears are made from a special steel that ensures increased resistance to wear and stress.

Part number: Polini 202.1430

Manufacturer: Polini, Viale Piave 30, 24022, Alzano Lombardo, Bergamo, Italia, www.polini.com