Riders looking to add power to their existing Ultegra
crank need only select length, as the Stages Power meter fits all
styles of Ultegra crankset, including: compact and standard. For
those riders needing a complete crankset solution we offer the same
non-drive Stages Power meter mated to either a FC6700 standard
(39/53-tooth) or FC6750 compact (34/50-tooth) drive-side crank.
Bottom bracket not included. SILVER OPTION IS PICTURED, GRAY OPTION
IS DARKER. Please see the following links to Shimano's website to