GT Power Series chromo cranks

Arm: 4130 Chromoly Arms, 175mm length
Spindle: 19mm Hollow Chromoly
Spindle Splines: 48
Drive: Left & Right
Weight: 28.9 oz. (without BB)
Colors: Black, Chrome

• The GT Chromoly crank classic is back with the same arm shape, a modern 19mm x 48 spline hollow chromoly spindle, and flush mount spindle hardware