GT Power Series Cromo Crank Chrome with American Bottom Bracket
The GT cro-mo crank classic is back with the same arm shape, like the old Profile made GT cranks, a modern 19mm x 48 spline hollow chromoly spindle, and flush mount spindle hardware Arm: 4130 Chromoly Arms, 175mm length.
Spindle: 19mm Hollow Chromoly Spindle
Splines: 48 Drive: Left & Right
Weight: 28.9 oz. (without BB)
Complete with Sealed American Bottom Bracket (to fit Old School frames with the large BB shell) in your choice of Black, Blue, Gold or Red. Will also fit modern Mid BB frames, just knock the bearing out of the alloy cup.