Steel Bearings Bushings 7 mm (B7C).
The adoption of these bushings decreases the friction due to the rotation of the gears.
This advantage results in both a higher burst speed, that a better use of the energy contained in the battery.
The dimensions are:
- outer diameter: 7 mm
- inner hole: 3 mm
- tickness: 3 mm
100% MADE IN ITALY