BKSM-8112 - Maxhit, 440C Stainless, BSA24 Bottom Bracket kit TH-873 while the lighter-contact (less seal-drag)

while the lighter-contact (less seal-drag) black LLB seals facing inward keep the grease where it belongs

BKS-0230 - T47-External

all-conditions

Radial Bearing Bottom Bracket for PF30 Framesets and Shimano 24mm Cranksets

BKSM-8112 - Maxhit, 440C Stainless, BSA24 Bottom Bracket kit TH-873 while the lighter-contact (less seal-drag)BKSM 8112 Maxhit, 440C stainless steel, BSA24 Bottom Bracket kit You may find the following tools useful for installation and servicing: For bottom bracket installation: BBT 41x16 24 Pro Cup socket tool for 41mm x 16 spline bottom brackets and Shimano 24mm spindle cranksets BBT 036 Bottom Bracket Flat Wrench for 41mm x 16 spline and 46mm x 12 spline BBT 001 B Shimano crank arm fixing bolt tool for use with torque wrench GR 009 Enduro MAX bearing