Other

Shim spacers can be placed between bearing and compression cover in IS headsets to fine tune the fitment.

Hellbender bearings have an improved seal structure and are cross compatible with Cane Creek headsets. - Cane Creek Hellbender Bearing, 42mm SHIS

40-Series Bearing - Compatible with 110-, 40-, and 10-Series headsets

Hellbender bearings have an improved seal structure and are cross compatible with Cane Creek headsets.