SuperB Bottom Bracket Tool Retaining System

SuperB Bottom Bracket Tool Retaining System

• Used with most Super B bottom bracket wrenches, 1/2? driver. bottom bracket tool and some 3/8? driver bottom bracket tools, ensuring that they are fully engaged with a threaded external cup bottom bracket to prevent slippage.
  
• Fits threaded cup and thread-together bottom brackets with external cups; can’t fit cartridge and cup-and-cone bottom brackets.