LARGE BASE + LARGE BRAKE FRONT CAP + LARGE FRONT BRAKE + 100mm REFLEX + LARGE INTERNAL REFLEX BRAKE BBG - NF#2 - O49SUGESTED CALIBERSelectADDED LENGTH (mm):289.5OVERALL LENGTH (mm):391DIAMETER (mm):50WEIGHT (g):902COMPONENTS SelectTHREADM12 X 1 M13 X 1 M14 X 1 M16 X 1 M18 X 1 & IMPERIAL