This ABM isaac4 Premium Radial Thumb Operated Brake Cylinder and Lever is fully CNC machined from solid aluminum. They provide a perfect feel when used as a lever on 22mm outside diameter handlebars.
Can be used left or right for brake operation but wrong ratio for clutch.
The isaac4 radial cylinders offer clear advantages over stock brake master cylinders and other competitors:
Available in 3 different piston diameters: