110-Series Headset IS41/28.6|IS52/40 Black

• Made in the USA of 7075 T-6 aluminum, internally contoured and relieved to minimize weight and maximize strength
• Low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover
• Dual-seal crown race provides excellent seal efficiancy with low friction
• Premium, sealed stainless-steel bearings
• Interlok spacer compatible
• 110 year warranty