LARGE BASE + LARGE BRAKE FRONT CAP + LARGE FRONT BRAKE + 200mm REFLEX + LARGE INTERNAL REFLEX BRAKE BBG - NF#2 - O59SUGESTED CALIBERSelectADDED LENGTH (mm):289OVERALL LENGTH (mm):491DIAMETER (mm):50WEIGHT (g):1008.5COMPONENTS SelectTHREADM12 X 1 M13 X 1 M14 X 1 M16 X 1 M18 X 1 & IMPERIAL