The Alienation ACME rim is the super performance carbon rim from the american brand Alienation. The ACME is built with Alienation 4D technology (more information by clicking here).
Hookless technology (without eyelets) which aims to eliminate torsional stresses at the spoke heads. The Alienation 4D technology brings weight savings to the rims while offering a more solid construction. The spoke holes are drilled to follow the alignment of the spoke, which eliminates torsional stresses at the spoke head.