BKS-6042 - BSA Thread-In, Angular Contact, 440C Stainless Bottom Bracket for Shimano 24mm Cranksets HDC-0012-B - Headset Topcap preload

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

Static load - 306lbf / 1

and high resistance to moisture

Angular-contact headset bearing featuring 440C stainless steel balls and races for superior corrosion protection

the LLU/LLB seal combination on these bearings utilizes a more protective LLU seal facing outward

BKS-6042 - BSA Thread-In, Angular Contact, 440C Stainless Bottom Bracket for Shimano 24mm Cranksets HDC-0012-B - Headset Topcap preloadBKS 6042 BSA Thread In, Angular Contact, stainless steel Bottom Bracket for Shimano 24mm Cranksets You may find the following tools useful for installation and servicing: For bottom bracket installation: BBT 44x16 24 Pro Cup socket tool for 44mm x 16 spline bottom brackets and Shimano 24mm spindle cranksets BBT 010 Bottom Bracket Flat Wrench for 44mm x 16 spline and 52mm x 16 spline BBT 001 B Shimano crank arm fixing bolt tool for use with torque