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Knowledge baseStella › Install headset AZX-585

Install headset ACROS AZX-585 (ZS56/28.6 · ZS56/40)

By Technical service Ebikepartners · Updated July 2026 · 3-minute read
Article number: 43133

About this part

Assembly of the semi-integrated headset with internal cable routing (IPS/ICR) and Block-Lock 150° steering angle limitation. The ACROS AZX-585 is a semi-integrated (Zero Stack) headset for Stella e-bikes with internal cable routing such as Stella Livorno Fully integrated, Stella Morena Fully integrated, and Stella Vicenza Fully integrated. 


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ACROS AZX-585 headset for Stella e-bikes, complete with bearing cups, seals and Block-Lock base plate

Exploded view

Exploded diagram of the ACROS AZX-585 headset showing numbered parts 1 to 10 with dimensions


Parts

Check before assembly that all parts (pos. 1–10) are present and undamaged. Positions refer to the exploded view below.

Pos.Item no.PartQuantity
1DIN 7991 · M4×10-10NCountersunk screw M4×10
225.52.003Cable cover Trekking (OM cable route)
311.52.024Trekking spacer, 10 mm
432.52.008-OD62Headset cover Trekking, ICR, asymmetrical
511.52.006Cable route compression ring 1 1/8"
655.52.060IPS upper headset seal 52
7AC4252-45-45-2RSAngular contact bearing 42×52×7 (45×45°)
811.52.060R2-OD62Bearing cup R2, ZS56, fiber, OD62, black (top)
951.02.109AS bearing cup ZS56, black, Block-Lock (bottom)
1051.02.02BR2-150Base plate 1.5", Block-Lock 150°, black, Polygon


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