BK-6034 - BSA Thread-In, ABEC-3, BSA Thread-In Bottom Bracket for Shimano (24mm) Cranksets - BLACK TH-873 Machined Delrin Derailleur Pulleys for

Machined Delrin Derailleur Pulleys for 11 speed Shimano Derailleurs (5mm bolt hole)

Angular-Contact bearings along with all of the necessary seals and spacers to complete a precise

Included with the kit are seals to protect the bearings from the elements and selection of spacers to allow you to precisely tune your chain-line

Black oxide/magnetite treatment to the races provides an extra level of corrosion resistance and extended worry-free performance

BK-6034 - BSA Thread-In, ABEC-3, BSA Thread-In Bottom Bracket for Shimano (24mm) Cranksets - BLACK TH-873 Machined Delrin Derailleur Pulleys forBK 6034 BSA Thread In, ABEC 3, Bottom Bracket for BSA framesets and 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 wrench GR