2PCS Aluminum Alloy Bike Fork Base Ring 39.8mm Bike Fork Crown Race Mountain bike

Label:Yes Replacement Part: This crown race works as a direct replacement for an old or broken part. It is a practical repair part when your headset lower race is missing during a bike upgrade. It fits mountain bikes, road bikes, and compatible bicycles with tapered head tubes. Aluminum Alloy Open Type Design: Made of aluminum alloy, this fork base ring uses an open type or slotted design. It weighs only about 5.8 g, making it light and compact for easy installation and carrying. It suits bearing type and sealed type headsets on compatible bikes. Installation Note: The flat side should face down and the angled side should face up. Do not install it backwards. Correct installation helps lower gaps between the fork and frame head tube, which can help keep your handlebar steady. 39.8mm Crown Race for 1-1/2 Tapered Steerer: This headset crown race has an inner diameter of about 39.8 mm/1.57 in and an outer diameter of about 50.0 mm/1.97 in. It fits 1.5 inch tapered steerer forks with a 28.6mm top and 39.8mm bottom. Please confirm your steerer tube diameter before purchase. Product Details and Package: Item type is bicycle headset crown race or fork base ring, material is aluminum alloy, color is black, design is open type or slotted, and compatible steerer is for 1.5 inch tapered steerer fork. It is suitable for bearing type and sealed type headsets. Package includes 1 x headset crown race. Please confirm your steerer tube diameter and headset type before purchase, and allow slight measurement deviation.

Item Type: Bicycle Headset Crown Race / Fork Base Ring Material: Aluminum Alloy Color: Black Inner Diameter: Approx. 39.8 mm / 1.57 in Outer Diameter: Approx. 50.0 mm / 1.97 in Design: Open Type / Slotted Compatible Steerer: for 1.5 inch(1-1/2" ) Tapered Steerer Fork (28.6mm top, 39.8mm bottom) Suitable For: Bearing type and sealed type headset Use: Replacement crown race for mountain bike, road bike, and compatible bicycles with tapered head tubes

Package List: 2 × Bicycle Headset Crown Race

Notes : 1.Please confirm your steerer tube diameter and headset type before purchase. This crown race fits 1.5 inch tapered steerer forks with bearing or sealed headsets. 2.Installation note: The flat side should face down and the angled side should face up. Do not install it backwards. 3.Manual measurement may have slight deviation.