Backside anti-roll club for ball-bearing roll club mounting system and redesigned doing business using the X4 back suspension system arms. The anti-roll club system is installed towards a corner bulkheads via bearings from outside for extra-smooth movement and for fast & simple changes and modification. The roll bar turns in ball-bearings for maximum precision and free movement. Anti-roll bar height is adjustable via a screwââ¬Â¦ fast & effortless. Anti-roll club has laser-engraved stripes (corresponding to club depth) for effortless recognition.