BKS-0234 - T47-Asymmetrical, Threaded, 440C Stainless, Angular Contact Bearing Bottom Bracket for T47 Framesets and Shimano 24mm Cranksets TH-873 Some cranksets have pre-load systems

Some cranksets have pre-load systems already built in

5mm thick aluminum spacers

This kit allows you to remove and install the most common pivot bearing sizes using the smallest Multi Press threaded-rod

with Grade 5 Silicon-Nitride Ceramic balls

This seal works on both drive-side and non-drive MR 2437 bearings as well as the over the non-drive bearing reducer used with some GXP BBs

BKS-0234 - T47-Asymmetrical, Threaded, 440C Stainless, Angular Contact Bearing Bottom Bracket for T47 Framesets and Shimano 24mm Cranksets TH-873 Some cranksets have pre-load systemsBKS 0234 T47 Asymmetrical, Threaded, stainless steel, Angular Contact Bearing Bottom Bracket for T47 Framesets and Shimano 24mm Cranksets You may find the following tools useful for installation: For bottom bracket installation: BBT 52x16 24 Enduro Pro Cup socket tool for T47 bottom brackets and 24mm cranksets GR 009 Enduro MAX Bearing Grease For bearing replacement: BRT 060 MH Enduro Bearing Press rod and handle set BRT 040 24mm Enduro bottom bracket