CO MR 15268 VV - Enduro Zero, Black-Oxide, Ceramic Hybrid, ABEC-5, Radial Bearing (CN Clearance) - 15mm x 26mm x 8mm 428420 HDC-0012-B - Headset Topcap preload

HDC-0012-B - Headset Topcap preload adjuster with cover

lower bearing

S6903 LLU MAX - Stainless Steel

if you wash you bike often

CO MR 15268 VV - Enduro Zero, Black-Oxide, Ceramic Hybrid, ABEC-5, Radial Bearing (CN Clearance) - 15mm x 26mm x 8mm 428420 HDC-0012-B - Headset Topcap preloadCO MR 15268 VV Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial bearing (CN clearance) 15mm x 26mm x 8mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 high Carbon Chromium alloy races paired with Grade 5 Silicon Nitride Ceramic balls with 90% fill, high pressure, water proof grease. Si3N4 ceramic balls reduce bearing wear and increase bearing life by eliminating steel on steel contact within the