47.5x13mm Oblique Planetary Gear 35T E-Bike Motor Gear Nylon Helical Gear with 8mm Bearing Compatible with E-Bike Hub Motor Part

47.5x13mm Oblique Planetary Gear 35T E-Bike Motor Gear Nylon Helical Gear with 8mm Bearing Compatible with E-Bike Hub Motor Part

Aliexpress UK