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Review on Black Ops BB Conversion Kit: Effortlessly Transition from American to Euro, in Sleek Black by David Encarnacion

Revainrating 5 out of 5

Does its job well when converting solid cranks to 3-piece.

I bought this to convert a 60's 24" Murray to a modern sealed bottom bracket and square cranks. It works great! Note that many older American made frames have frame tubes that go into the bottom bracket shell You'll probably have to either drill them or grind them down to align all the screws.

Pros
  • nice thing
Cons
  • old