Shimano TL-UN74-S tool for installation and removal of 20 tooth splined cartridge bottom bracket such as Octalink and square bottom bracket.
Features
Hardened steel for rigidity and durability
For use with 32mm wrench drive
Economical and compact version of TL-UN66
For installation and removal of 20-tooth splined cartridge BB such as Octalink and square BB
Mfr Claimed Weight
TBC