Product Name: SONZUIA Bicycle Bottom Bracket Removal Tool - Compatible with Shimano/ISIS Bottom Bracket Tools - 20 Teeth This bicycle removal tool is compatible with 20-tooth cartridge bottom bracket tools. It supports cranksets with oversized axles such as Shimano Octalink, ISIS spline, Truvativ, RaceFace, and FSA. It comes with a fixing bracket to prevent the tool from falling off, making the work easier. Professional quality made of high-carbon steel that has been heat-treated, providing excellent strength and durability. ■ Specifications 【Material】High-carbon steel (heat-treated) 【Accessories】Remover tool fixing bracket If you have any questions, please feel free to comment. Instant purchase is also welcome! #New #Unused #SONZUIA #BicycleTools #BottomBracket #BBTool #Shimano #ISIS #Octalink