Description
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
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