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Birzman
Bottom Bracket Socket

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Bottom Bracket Socket

Rather than using a bottom bracket wrench that could pose a risk of scratching or damaging your BB cups, pick up a Birzman Bottom Bracket Socket for a no-slip fit that's compatible with torque wrenches. This 1/2in drive socket is made of hardened steel for durability, and is CNC-machined for a precise fit. It works with Shimano Hollowtech II style bottom bracket cups, as well as any other cups with a 44mm diameter and 16-notches, which tends to be the most common type among external threaded bottom brackets.


Details

  • Precision-machined socket for external bottom brackets
  • Fits Shimano Hollowtech II and other 16-notch BB's
  • No-slip fit that's compatible with torque wrenches
  • Hardened steel construction for long term durability
  • Fits Shimano BB tool adapters TL-FC24 and TL-FC25
  • Item #BIR0016
Material
CNC-machined hardened steel
Compatibility
Shimano Hollowtech II or other 16-notch 44mm external bearing bottom bracket cups, 16-notch disc brake rotor lockrings
Recommended Use
bike maintenance
Manufacturer Warranty
limited lifetime