• Adjust the geometry of your bike by changing the head tube angle by 1? with the GeoShift Performance Angle Headset. • Ultralight Stem Cap With Integrated Spacer plus an aluminum bolt and a star nut
• 5mm top cover = 6mm total stack
• O-ring seal prevents water intrusion around the steerer tube
• Custom-molded upper lip seal provides additional protection for upper bearing
• Optional shim washers if needed
• Custom-molded dual-lip seal on the crown race to protect lower bearing in the toughest weather and trail conditions