TruVativ

ISIS is a splined interface bottom bracket/crank design used by Truvativ, FSA, Raceface and other brands.

• Aluminum cups require TruVativ or compatible installation tool
• Heat-treated chromoly spindle for high stiffness and moderate weight
• Precision full-complement sealed cartridge bearings
• M15 crank bolts included
• Three bearings with two on drive side for extra life