Ultra-light, ultra-strong top clamp for ball-bearing with composite hub, CNC-machined from premium Swiss 7075 T6 aluminum. Redesigned to do business with the composite bushings to give living associated with bearings as well as the durability of the clamps. Also black colored coated for very long life and trendy look. Identical left/right. Updated to match aluminum backside bulkheads with fast & simple ride height adjustment.