The complete front roller assembly, with one roller.
We now offer rollers of different size (in steps of 0.1 mm) for use with the blade support roller assembly.
Rollers can then be paired with skate blade thicknesses.
Assume you have adjusted the assembly with some roller to give the hollow centered on a skate blade with some thickness. Then if you have a blade with another thickness, you can just change to another suitable roller and still have the hollowness centered without having to adjust the adjustment screw.