Lightweight Bicycle Headset Upper Top Cap - Compatible with Cane Creek AER IS41/42/28.6 & Norglide 15mm - Perfect for Road Bikes and Mountain Bike Upgrades

The Cane Creek AER series is the world's lightest headset, offering a 40% weight savings over comparable offerings. The AER boasts a unique hybrid steel and aluminum bearing that provides excellent durability and performance. The AER features strategic machining and precision contours the provide the optimal blend of weight-savings and strength. This top-tier headset offers durability that is suited for the trails or the tarmac, and boasts race-day performance. The AER also offers a unique Norglide bearing design that offers reduced weight without sacrificing performance. The Cane Creek AER headset offers superb performance that is destined for the podium.

New, Never Used, OEM, This item is exactly as pictured and does not include retail packaging.

Specifications

• Model: AER IS-41
• Headset Type: IS - Integrated
• Head Tube Inside Diameter: 40mm
• Head Tube Outer Diameter: 45mm
• Stem Clamp Diameter: 28.6mm
• Top Stack Height: 15mm
• Upper Cover Material: Aluminum
• Upper Cover Color: Black
• Upper Bearing Type: Norglide
• Upper Bearing Outer Diameter: 41mm
• Upper Bearing Inner Diameter: 30mm
• Bearing Inner Angle: 36
• Bearing Outer Angle: 45
• Bearing Height: 7.5mm
• Weight: 17g