FSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles.

• Features steel cups, composite center tube and stainless bearings
• Due to varying dimensional tolerances between manufacturers, FSA MegaExo bottom brackets are not compatible with any other brand of crankset
• Compatible with Gamma Drive cranks
• Different models of MegaExo bottom brackets are designed to be specific to each model of FSA crankset