MegaExo bottom brackets featuring external bearings
Refers to FSA’s steel spindle, 2-piece crankset design. The steel spindle is integrated in to the drive-side arm. External bearing cups are threaded in to the frame’s bottom bracket shell. MegaExo cranksets are compatible with 68, 73, and 83 mm English threaded bottom brackets for mountain bike, and 68 mm English and 70 mm Italian bottom brackets for road bike.