Profile Racing Replacement Crank Arm (Right) (Boss) (Raw) (170mm) - 451250A5A*X6X
Profile Racing Replacement Crank Arm (Right) (Boss) (Raw) (170mm) - 451250A5A*X6X, Replacement crank arm for Profile Chromoly BMX cranks. Sold individually. With Boss: Arm has welded bolt boss for Bolt Drive sprockets. Left Arm with boss for Left Hand Drive or Right Arm with Boss for Right Hand Drive. (10.2oz) No Boss: Arm has no bolt boss for a clean look and weight savings, for Spline Drive sprockets or Non-Drive side. (9.8 oz) Made in the USA.