FSA Orbit No. 55R-1 head assembly
Semi-integrated head assembly with duralumin CNC machined cups designed for head tube frames
• top: with inner diameter 55mm/outer diameter 61mm
• bottom: with inner diameter 55mm/outer diameter 61mm
and 1-1/8" fork post.
FSA TH-073E, 36°x45° Angular Contact Ball bearings (ACB - Angular Contact Ball bearings) have a high running accuracy, which is ensured thanks to an optimized internal structure that allows capturing simultaneously acting radial and axial loads.
The height of the upper cover is 5 mm.
Height of the head assembly outside the frame (stack height): 11mm
The package contains the FSA hedgehog for the metal fork post.
Weight 100g.
product ID | 110356 |

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