Centering ring for cable feedthrough including IPS seal as additional protection of the headset bearing against moisture and dirt. Compatible with the semi-integrated ZS56 headset upper part with integrated cable routing and the integrated IS52 headset upper part with integrated cable routing in combination with 1 1/8" steerer tube (28.6mm) of the fork at the top. In addition, the centering ring can be opened on one side so that it can be replaced without dismantling cables. For enduro and bike park use, we recommend our aluminum centering ring: 11.02.092-AM