FSA BB-7550 MegaExo Quad MTB Bottom Bracket 83mm -
FSA BB-7550 MegaExo Quad 4-bearing bottom brackets.
- Replacement for Gravity MegaExo Quad & GAP MegaExo quad. Features 4 rows of bearings
- Due to varying dimensional tolerances between manufacturers, FSA MegaExo bottom brackets are not compatible with any other brand of crankset
- Different models of MegaExo bottom brackets are designed to be specific to each model of FSA crankset
- Features alloy cups, composite center tube and stainless bearings