ACROS Bearingset for IS42 / IS52 Headsets

Two replacement heatset bearings for fully integrated headsets (IS). The IS42/IS52 bearing set consists of two stainless steel angular contact ball bearings for frames with 42mm bearing seat at the top and 52mm at the bottom of the head tube. A compatible compression ring with an integrated sealing for optimal protection of the headset bearing against moisture and dirt is also included. Technical data upper IS42 bearing Press-in diameter upper bearing: 41,8mm Height: 8mm 20g Technical data lower IS52 bearing Press-in diameter lower bearing: 52mm Height: 7mm 30g