If you’ve got Dura Ace cranks you’ve probably got an Octalink BB. The TL-UN74-S is the splined tool you’ll need to remove or install Shimano’s Octalink bottom bracket.
If you’ve got Dura Ace cranks you’ve probably got an Octalink BB. The TL-UN74-S is the splined tool you’ll need to remove or install Shimano’s Octalink bottom bracket.