Full Speed Ahead Platinum ISIS Bottom Bracket - 73 x 113mm MFPN=330-0435553050 41 BB/Frame Interface BB86/92 BB/Frame

41 BB/Frame Interface BB86/92 BB/Frame Interface BB86 BB/Frame Interface BB92 BB Shell Width (mm) 86 BB Shell Width (mm) 92 Spindle Interface Type Shimano Hollowtech II Defined Color Black

Brake Caliper Type Post Mount Mount | Rotor Size 160 Post | 203 Rotor

Radio Raceline Integrated headsets have a lightweight CNC machined top cap and feature super smooth high-precision bearings

Versatile design accommodates bikes with disc brakes

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Full Speed Ahead Platinum ISIS Bottom Bracket - 73 x 113mm MFPN=330-0435553050 41 BB/Frame Interface BB86/92 BB/FrameFull Speed Ahead Platinum ISIS Bottom Bracket 73 x 113mm. FSA Platinum ISIS bottom bracketsForged hollow chromoly spindle with titanium nitride coating Integrated large ball bearing design Cold forged aluminum cups Includes crank bolts TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 73 Weight 225 Spindle Interface Type ISIS Spindle Length 113 Defined Color Silver