FSA IS-2-138 ACB 36ºx45º Duals steering bearing

FSA IS-2-138 ACB 36ºx45º Duals Steering Bearing

Restore the precision and fluidity of your bicycle´s steering with the genuine FSA IS-2-138 ACB 36ºx45º Duals Steering Bearing. As a critical component in your bike´s headset, this high-quality spare part is engineered to bring back that factory-fresh, responsive feel to your handlebars, eliminating the notchy or loose sensation of a worn-out bearing. Designed for cyclists who demand reliability and performance, this bearing is the perfect solution for essential maintenance and upgrades on both high-performance road machines and rugged mountain bikes.

Key Benefits:

Experience a significant upgrade in steering performance and control. The core of this bearing´s superiority lies in its Angular Contact Bearing (ACB) design. Unlike standard radial bearings, ACBs are specifically engineered to handle both axial (vertical) and radial (side) loads simultaneously. This results in exceptionally smooth rotation under the combined forces of rider weight and steering input, reducing friction and providing a direct, connected feel to the front wheel. Its robust construction ensures long-lasting durability, giving you more time on the bike and less time in the workshop. By choosing a genuine FSA spare part, you guarantee perfect compatibility and restore the original integrity of your headset.

Main Features:

This FSA steering bearing is built for uncompromising performance. Its primary feature is the advanced Angular Contact Bearing (ACB) system, which provides superior load distribution and a longer service life. The precision-machined bearing races feature specific 36° inner and 45° outer contact angles, which are critical for correct fitment and optimal function within compatible integrated headsets. This ensures the bearing sits perfectly in the frame´s head tube, preventing play and premature wear. Its versatile design makes it an ideal replacement for a wide range of modern road and MTB frames that utilize the popular 1-3/8" bearing dimension for the lower or, in some cases, upper headset position.

As a crucial part of the headset assembly, these high-quality steel Bearings are the silent workhorses that allow for crisp, reliable steering, whether you´re carving down a mountain descent or sprinting on the tarmac. The lightweight yet strong construction ensures that you are not adding unnecessary weight to your performance-focused build, allowing you to maintain a competitive edge.

Specifications:
- Type: Headset bearing
- Discipline: ROAD, MTB
- Material: Steel
- Weight (gr): 22
- Dimension: 1´´-3/8
- Bearing Type: ACB (Angular Contact Bearing)
- Angle: 36°x45°