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Details and Specs:
GT Assault BB30 2-pc Cranks
The GT Assault BB30 race cranks feature a 2-pc design with hollow forged 6061 aluminum crank arms for a superior strength to weight ratio, a built-in 4x104mm spider gear, 7050 aluminum spindle that's pressed into the drive side arm to reduce flex, steel pedal inserts, chromoly chainring bolts and a sealed BB30 bottom bracket.
Note: Designed for frames that have a BB30 bottom bracket.