Acros is52 Lower AIX-526 Upper
Acros is52 Lower AIX-526 Upper
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Specifications
- Suitable for AIX-526 stem
- Bearing type: AC4252R2-45-45-2RS
- Suitable for bicycles from brands such as Canyon, Scott, Santa Cruz, Apex and more.
- Internal and external dimensions: 42mm by 52mm
- Sealing: Double sealed (2RS)
Description
Description
The Acros IS52 Bearing AIX-526, model number AC4252R2-45-45-2RS, is a high-quality replacement bearing for headsets with an IS52 (Integrated Standard 52mm) bottom bracket shell. This bearing is specifically designed for intensive use on mountain bikes, gravel bikes, and road bikes and offers excellent durability and smooth steering performance.
Precision and durability of Acros
Acros is known for producing high-quality bearings and headset components. The IS52 AIX-526 bearing features double seals (2RS), providing excellent protection against water, dirt, and dust. This keeps your steering smooth, even under the toughest conditions.
Thanks to its 45° x 45° angular contact bearing race, this model offers optimal force distribution and a precise fit. This makes the AC4252R2-45-45-2RS a reliable choice for riders who demand top performance and long-lasting quality.

