FSA Ceramic MegaExo Bottom Bracket. Ceramic Bearings = Increased Speed. Performance Breakthrough - Testing shows speed increases approaching 4%, i.e., over 1 km a rider can gain 20-40m. They are lighter and harder than steel bearings as well.

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Features:

Oversize Ceramic Cartridge Bearings.

Forged and CNC machined external cups.

Alloy center sleeve w/ double o-ring seals.

Available in English or Italian threading.

2 year warranty.

130 grams.

BB comes pre greased and kit includes service grease to use when needed.