HDC-0012-B - Headset Topcap preload adjuster with cover and contain the 90% fill

and contain the 90% fill Kluber NBU52 grease that runs smoother with time and is highly resistant to being washed out

5 LLB- ABEC-5 Radial Bearing (CN clearance) - 17mm x 29

we recommend the BRT-002 30m x 42mm bearing tool

The 15º Angular Contact design of the bearings in this BB requires a light preload to guarantee the best adjustment

HDC-0012-B - Headset Topcap preload adjuster with cover and contain the 90% fillHDC 0012 B Headset Topcap preload adjuster with cover CNC machined 6061 T6 aluminum topcap headset bearing preload adjuster with integrated stainless steel bolt and cover. The unique cover design hides the bolt head and provide a super clean presentaion with a subtle Enduro clock logo.