Tapered Head Set Black 1 1/8 " to 1 1/2 " 

• tapered integrated bearing headset used on Tropix Road Bikes 2018 approx
• For 1 1/2" lower 11/8 top
• 52mm lower Bearing (51.9mm measured approx)
• 41.6mm measured (41.8mm nominal) ACB  top Bearing 
• 39.8mm Split Crown Race
• With Compression Ring and top Cover
• Expander Plug to suit Carbon/alloy steerer 20.5mm + Internal
• Weight 125grams (approx)