Adapters to convert a T47 threaded bottom bracket shell to accept a BSA (also called English threaded, BSC, or ISO) bottom bracket without increasing the bottom bracket offset. 

Specifications:

• External threads: 47x1.0
• Internal threads: 1.37"x24TPI
• Material: 6061 aluminium
  

Includes:

• 1x pair of adapters (one left and one right piece)