18mm diameter. For 3/32" / 2.38mm axles.

Recommended to use with 6.5mm brass pinions (PS10, PS11, PS12, PS13, PI6510E, PI6511E, PI6512E, PI6513E).

Sold individually.

The Slot.it Ergal sidewinder gears are made in anodized aluminum alloy with steel-like properties while being incredibly lightweight. Built with the same technology as Slot.it pinions, all of the spur gears have the same outer diameter, making it possible to change the gear ratio without moving the motor.