The Stages Power L meter paired with FSA's SL-K Light BB30 left crank arm. Please note that the SL-K Light BB30 version has across the board compatibility with FSA and Vision BB30 models.
NOTE: The Stages Power FSA model will not fit FSA cranks with a pinch-bolt style interface, nor will the BB30 version fit BB386EVO models. Additionally, it is NOT compatible with FSA triple chainring cranks.