The FSA Metropolis Patterson Megaexo is the only bottom bracket specifically designed for the company's Patterson Transmission Crankset. It's built from a die-cast then CNC machined alloy external non-drive side cup, with a forged steel and CNC machined drive-side cup for better shifting mechanism support. The composite center sleeve features double o-ring seals. All this to support the unique demands of the Patterson crank.
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FSA Mega Exo Cartridge BearingsYou are looking at
a replacement bearing for the FSA Mega EXO bottom bracket. Replacing your BB bearings brings new life and performance to your bottom bracket.Bearings are sold individually.FeaturesPart Number: MR066Sold Individually
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