ACROS Headset-Upper Part - for Integrated Cable Routing (ICR) - ZS56/28.6

Semi-integrated headset (ZS) for frames with 56mm head tube at the top and integrated cable routing (icr). The headset-upper-part includes a ZS56 bearing cup, a matching angular contact ball bearing, a special compression ring for icr and our internal protection sealing (ips) as an additional protection of the headset bearings against moisture and dirt. Attention: It can only be used in combination with the matching ZS56 headset cover for integrated cable routing.