B 541 SS - 1 440C Stainless, Angular Contact Headset Bearing 428420 the micro-structural elements of this

the micro-structural elements of this material is second to none

The kit includes a full selection seals and spacers to ensure proper installation in any T47 threaded bike

15mm ID shock-eye and 18mm mount width

as well as the PT-011 Zipnut

B 541 SS - 1 440C Stainless, Angular Contact Headset Bearing 428420 the micro-structural elements of thisB 541 SS 1 Stainless Steel, Torque Tube Radial Design Headset bearing (1 1 16 x 1 1 2 x 9 32 inch) Radial bearing for internal Headsets featuring 440C stainless steel balls and races to provide maximum corrosion resistance. Torque Tube bearings feature inner races that are slightly wider than the outer race. Not all stainless steel is created equal. Enduro only uses 440C stainless steel balls and races to provide long life and superior corrosion