ACROS ICR Compression Ring with Integrated IPS Wiring ZS56 IS52 Aluminum

Integrated cable routing compression ring (ICR) with internal protection seal (IPS) for additional protection of the headset bearings from moisture and dirt. Compatible with the acros ZS56 semi-integrated headset top with ICR and the is52 integrated headset top with ICR in combination with a 1 1/8" (28.6mm) head tube at the top. Additionally, the compression ring can be opened on one side so you can replace it without dismantling the