Trying to cut some weight off of my wife's 2004 Stumpjumper FSR Expert. The FSA Afterburner crankset has been suggested to me, but it doesn't look like the chainline will match up.
What is the best way to make this crankset match up with this bike? What BB should I try to find? We want to avoid bringing on any shifting issues due to changing the chainline.
FSA Afterburner: Four arm, 104/64mm bolt circle diameter 7075 Torx T-30 alloy chainring bolts Q-Factor - 168 mm Spindle - Isis Drive 113mm Chainline - 48mm Weight - 625 grams
Stock BB on Stumpy: Shimano ES-30 Octalink spline, 68mm shell, 121mm spindle. 50mm chainline.
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