
MALOSSI Variator Adjuster Spring Black (ext. Ø 57.8 x 103 mm, thread Ø 4 mm, 5.5k) — manufacturer reference 2916111.B0. Adjuster spring for variator, designed for urban use and 50 cc scooters.
This Malossi spring is intended for fine adjustment of the variator: it replaces the original spring to modify the behavior of the secondary transmission system. Its outer diameter and length (57.8 x 103 mm), as well as its thread pitch Ø 4 mm and stiffness rated at 5.5k, make it a suitable replacement part for installations requiring these specifications. Sleek black finish, installed in place of the original component.
Compatibility (examples): APRILIA SXR 50 (2025), PEUGEOT TWEET 50 4T ACTIVE (2020), PIAGGIO TYPHOON 50 E4 (2019). Installation recommended by a mechanic or an experienced DIYer; check dimensions before installation to ensure compatibility with your variator.