Inner Diameter: 39.8mm

1 Bike Headset Crown for Race. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. Made of aluminum alloy, lightweight and sturdy. Material: Aluminum alloy. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. Made of aluminum alloy, lightweight and sturdy. Material: Aluminum alloy. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. Made of aluminum alloy, lightweight and sturdy. Material: Aluminum alloy. Positive is very important to us. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. Made of aluminum alloy, lightweight and sturdy. Material: Aluminum alloy. Positive is very important to us. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. jpg" alt="稿定设计-2. jpg" style="width: 907px; height: 590px;" width="907" height="590"/>. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

1 Bike Headset Crown for Race. jpg" alt="稿定设计-2. jpg" style="width: 907px; height: 590px;" width="907" height="590"/>. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.