The Regulator Fork V3 is now already equipped with a Disc Brake Mount. So there is no need to buy an additional Disc Brake Leg for the Regulator Fork V3.
This one of kind Girder Fork is a master piece built by Ruff Cycles. To get the right strenght - weight ratio we used CroMo (Chromoly) Steel. The spring is changeable to adjust the rake angle. With 15mm the metal struts of the fork are strong enough to ensure a safe ride while an earth quake.
The sizes are the following: Length Bottom to Top: 680 mm Length Headtube: 300 mm Width Fork: 140 mm Inner Width Dropout: 100 mm Headtube Outer Diameter: 1 1/8" Length Spring: 213mm