High-quality integrated, non-threaded/Ahead headset designed for modern bikes featuring a tapered head tube with 41mm-51.8mm diameter bearing seats and a 1.1 tapered steerer tube. /2 in.-1 1/8 in.
• Aluminum preload cap with sealed angular contact bearings (lower = 45 x 45 / upper = 36 x 45)
• IS41/28.6 IS52/40
• Black
