BBB - Semi-integrated

BBB – SEMI-INTEGRATED / BHP-51 

Semi-integrated headsets consisting of a combination of lightweight 6061 T6 alloy and stainless steel with sealed CrMo bearings. 

• Bearing diameter: 41.0mm x 45 degrees  
• Headtube ID: 44mm   
• Aluminium 8mm cone spacer 
• Open crown race for easy installation 

For more information on headsets please read this handy article: Buyer's Guide | Headsets - BBB Cycling