Flywheel nut M12 x 1.50 (high strength) collar Ø=33mm h=4.5mm WS=17-BGM PRO- Vespa GS160 / GS4 (VSB1T), SS180 (VSC1T), Rally180 (VSD1T), Rally200 (VSE1T, Femsatronic)

BGM polewheel nuts are made of high-quality 42CrMo4.

This material is extremely strong and exceeds the quality of the original nut significantly.
A tight fit of the pole wheel is ensured at all times by the high possible tightening torque.

Tightening moment of pole wheel nuts

• M10/M11 (V50, PV, ET3, PK S, Sprint, VBB...): 45-50 Nm

• M12 (PX, Rally, GS160, SS180, T5, Cosa, PK XL): 60-65 Nm