Helical Gear Set (4 gears total) Elcon Part #18660
(out of stock at the moment) will be in soon

Helical gear set of 4 gearwheels.
The gears have a helical teeth profile for a smoother and more dureable transmission. The gears are all made from steel and are hardened.
The small gears (pinions) are secured with 4 grub screws. The gear set has a ratio 7,11 with following gears:
Z1 - 19T
Z2 - 45T
Z3 - 16T
Z4 - 48T

For mounting the Z2 gear partnumber 18606 is needed (gear carrier layshaft). Different ratios are possible with the upgrade set 18670.