FSA all purpose bottom bracket - strong and stiff! For ISIS. With forged and CNC machined 6061 T6 aluminum cups, hollow drilled chromoly spindle, integrated large ball bearing design, composite anti-creak sleeve, improved external water seals, steel self-extracting crank bolts (M-15).
BSA-68/73-ISIS
The FSA configurator
easyBottomBracket makes it easier to choose the right bottom bracket.
Case width: 68mm ||| 73mm
Material: 6061 T6 aluminum cups, steel crank bolts
Weight supplement: at 108 mm, manufacturer information
