In order to meet the growing number of headset dimensions and to enable the greatest possible compatibility with forks, bikes and frames, the upper and lower parts of ACROS headsets are also offered separately in a wide selection.
The ACROS Ai-47 lower part offers the well-known high-quality sealing technology from ACROS and stainless steel bearings for the integrated headset. Suitable for 1 1/4" steerer tubes in frames with 47 mm inner head tube diameter. Precisely manufactured angular contact ball bearings made of stainless steel and optimally matched to the requirements form the core of the Ai-47 and ensure long-lasting, play-free smooth running.
The designation ACROS Ai-47 describes the integrated (drop-in) Ahead headset for 1 1/4 inch forks and frames with a 47 mm head tube. Only the lower part is offered here, the designation according to S.H.I.S. (see attachment) is IS47/33.
| Product Name: | ACROS Ai-47 Headset Lower Part - 1 1/4 Inches Drop In IS47/33 |
| Manufacturer: | ACROS |
| Item Code: | ACR147985 |
| activity: | Cycling |
| usage bikesport: | Road Bike, MTB |
| S.H.I.S.: | integrated (IS) |
| S.H.I.S. bottom: | IS47 / 33 |
| Headset version: | Lower part |
| headset stack height: | 3.25mm |
| Model year: | 2026 |
| Collection: | Full year |
| Color: | Silver |
| weight: | 35g |
| Steerer Tube Ø - Bottom: | 1 1/4“ |
| GTINs: | 4251085427275, 4251085413230 |