ACB4252H7 Headset Bearing 42 x 52 x 7 – 45/45

Headset Bearing ACB4252H7 (AC4252) – 42 x 52 x 7 Upper Headset Bearing for AI52/IS52

This headset bearing is for use as an upper headset bearing in Acros AI52/AI52-IS52/IS52 headset applications. 

• Dimensions – 42 x 52 x 7
  
• Chamfer Angles – 45/45

The lower headset bearing for the AI52/AI52-IS52/IS52 is a MH-P16, you can find it here:

https://bicycletools.uk/products/headset-bearing-mh-p16?_pos=1&_sid=2b3f554fd&_ss=r&variant=54037296841030

There are multiple options, what do I choose?

The Elvedes premium headset bearings offer ABEC 3 precision, ensuring smoother performance and increased durability compared to the standard option listed. The bearings are made from higher-grade materials that make them ideal for riders seeking long-term reliability, while maintaining the same size specifications.