The semi-integrated ACROS AZ-56 Headset Upper Part features the established seal technologies from ACROS and high-end bearings in stainless quality for 1 1/8″ or tapered forks and frames with a 56mm inner diameter headtube.
Precisely manufactured angular contact bearings made of stainless steel form the heart of the AZ-56 and offer play-free and smooth steering characteristics for a long time.
The name ACROS AZ-56 describes the semi integrated Ahead headset for 1 1/8″ or tapered forks and frames with a 56mm inner diameter headtube. The S.H.I.S. denotation (see attachment) for the upper part offered here is ZS56/28.6.
Construction type (Ahead/Thread): Ahead
Cup skirt length in mm: 7.7mm
Material: headset cup: aluminium
bearing: stainless steel
Weight supplement: manufacturer information









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