Cartridge 34mm External Mountain Bike Accessories Bearing Bicycle Headset Fixed Gear With Top Cap

Label:Yes Stack height: 52mm / 2.05in Package includes:1pc bicycle headset Material: Aluminum Zinc Zinc Zinc Zinc Alloy Outer diameter: 45mm / 1.77in Color: Black/Silver Weight: 110g / 3.88oz Crown race diameter: 30mm / 1.18in Cartridge bearing diameter: 34mm / 1.34in 1 1/8 inch threadless headset With two smooth sealed cartridge bearings. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.