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