External Bottom Bracket Tool
Shmano 16 Groove X 44 mm: 16 Groove Opening, Apply to 44 mm Diameter Outer Bearing Bottom Bracket, Including Shmano Hollowtech II, Campagnolo Super Torque and Power Torque, Race Face, FSA, SRAM, Truvativ, Chris King, and Phil Wood Exposed Bearings.Also fits disc brake rotor locks with 16 external notches
Note: Fits Shinmano TL-FC24 and TL-FC25 Adapters