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
- Defined Color: Black
- Bottom Bracket Shell I.D.: 1.37
- Spindle Length: 108
- Spindle Interface Type: ISIS
- Weight: 243
- BB Shell Width (mm): 68
- BB/Frame Interface: English