• 1-1/8" 45/45 ACB upper - 42mm ID
• 1.5" 36/45 ACB lower - 52mm ID
• Compatible with carbon or alloy head tubes
• For 1-1/8" to 1.5" tapered steerers
• 16.3mm stack height
• 74.2g
• 1-1/8" 45/45 ACB upper - 42mm ID
• 1.5" 36/45 ACB lower - 52mm ID
• Compatible with carbon or alloy head tubes
• For 1-1/8" to 1.5" tapered steerers
• 16.3mm stack height
• 74.2g