ACROS Bearing Set for IS42 / IS47 Headsets

The fully integrated ACROS IS bearing set combines robust stainless steel angular contact ball bearings with sophisticated gaskets. The result: long-lasting performance, minimal maintenance, and a more relaxed riding experience on your bicycle.

For more information on compatibility, check out the headset finder on the ACROS website. 

Technical Specifications:

- Fork steerer: 1 1/8" at the top; 1 1/4" at the bottom

- Upper angular contact ball bearing: 41,8 x 30,1 x 8 - 36°/45°

- Lower angular contact ball bearing: 46,8 x 34 x 7 - 45°/45°

- Upper press-fit diameter (ID) 42 mm

- Lower press-fit diameter (ID): 47 mm

- Steel/stainless steel ball bearings