FSA Platinum Bb Isis Hot

Dependable Bottom Bracket For Use With Isis Drive Splined Cranksets. A Forged Hollow Chromoly Spindle Gives Stiffness For Optimum Power Transfer, With Integrated Ball Bearings Giving The Largest Possible Bearing Dimension. New Improved External Seals Prevent Dirt And Water Ingress. Available In Three Axle Lengths