BBB Bicycle Lightweight Head Parts Set Power Head Stem Cap Black BAP-03

Aluminum Alloy Top Cap A set for aheadset type head parts. Special mounting structure distributes force evenly to prevent damage to the inside of the steer tube. Safe and easy assembly structure. Securely fixed with a 40mm plug. Perfect for 1-1/8 diameter carbon fiber or aluminum alloy steer tubes. Compatible with steer tube sizes with inner diameters of 22 to 28 mm. Reference weight: 58g