Columbus A-Head Expander 1 1/8

A-Head Expander 1 1/8 by Columbus

The A-Head Expander 1 1/8 by is made for your Application and gives your cockpit a clean, reliable setup. Its aluminum construction keeps weight low while delivering the solid support an A-Head system needs. The 1 1/8" size makes it a suitable choice for compatible steerer tubes. This expander is a practical option if you want a dependable fit without unnecessary bulk. The material also offers good durability for regular bike use. With its straightforward design, it is easy to integrate into your existing setup. If you are refreshing your front end or replacing a worn part, this component is a smart pick for a tidy and secure build.

• A-Head expander for 1 1/8" threadless bike forks, ideal for secure headset setup and cockpit installation
• Lightweight aluminum construction for a strong, durable fit in the steerer tube
• Designed for 1 1/8" A-Head systems for reliable compatibility with common bike setups
• Supports secure stem and top cap assembly for precise headset preload
• Clean, functional component for maintenance, upgrades, or fresh bike builds

• universal: 3DE1A1BLK

• 1 x Columbus A-Head 1 1/8" expander