B 542 SS - 1-1/8 440C Stainless, Angular Contact Headset Bearing TH-873 stainless steel is an excellent

stainless steel is an excellent alternative for use in wet conditions

while requiring roughly 25% less width than two single-row

BKS-0221 - T47-External

Comes with it's own molded protective plastic case

Machined Delrin Derailleur Pulleys for 12 speed Shimano XTR

B 542 SS - 1-1/8 440C Stainless, Angular Contact Headset Bearing TH-873 stainless steel is an excellentB 542 SS 1 1 8 stainless steel, Torque Tube Radial Design Headset bearing 1 5 16 x 1 3 4 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