Originally Posted by
Sixty Fiver
Virtually new XT crank with full Biopace... will install on my commuter / utility bike as it should ease some knee stress / pain I have been having due to having to do more work with one leg.
Biopace installed and is working like a charm... I have a dead spot when my left leg tops the pedal stroke and the Biopace feels much smoother and my knee has stopped complaining when I put too much stress on it.
That, and the XT crank was noticeably lighter than the Sugino I swapped out.