Front anti-roll club for ball-bearing roll club mounting system and redesigned to get results alongside the X4 front suspension system hands. The anti-roll bar system is set up on front bulkheads via bearings from outside for extra-smooth motion and for fast & effortless changes and modification. The roll club turns in ball-bearings for maximum precision and free motion. Anti-roll club height is adjustable via a screwââ¬Â¦ fast & effortless. Anti-roll club has laser-engraved stripes (corresponding to club level) for easy recognition.