- MegaEvo is a threaded bottom bracket that allows the installation of a BB386EVO crankset into a standard 68mm BB shell with BSA threading. **Specifications** * Compatibility: FSA Carbon/Alloy BB386EVO road cranksets * BB Shell Width: 68 mm * BB Thead: English * Spindle Diameter : 30mm * Cups: Anodised aluminum * Bearings: Sealed, Stainless steel * Average Weight: 89g * Spindle Interface Type: 386 EVO * Shimano Di2 compatible
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