FSA Bottom Brackets
FSA bottom brackets come in a number of configurations depending
on what crankset it must match, road or MTB and in various spindle
lengths, with an English or Italian thread.
Their top of the line offering, with ceramic bearings and the least
weight for 2 piece cranksets are branded as the FSA MegaExo. ISIS
compatible bottom brackets are branded under the "Platinum"
name for cyclists with a 3 piece crankset.
MegaExo Ceramic MTB & Road Approx:
external oversized ceramic bearings, with an alloy center sleeve
and cups. The MegaExo line also comes with FSA's newest technological
advancement incorporating ceramic ball bearings for a significantly
The Megaexo Ceramic MTB is only available in English Thread both
68 and 73mm lengths and weighs in at about 150g.
The MegaExo Road is available in both 68 and 73mm lengths as well
and weighs in at about 90 grams, in both an English and Italian
The equivalent FSA bottom brackets, minus the ceramic bearings
are available. I have noticed that they are sometimes referred to
as a "FSA Mega Exo Bottom Bracket" but minus the word
"ceramic" so be sure that you know which you are buying
as there is a significant difference in price. The NON ceramic version
can be purchased for approximately $50.
Platinum Series FSA Bottom Brackets:
2008, unlike the FSA MegaExo, these are ISIS compatible with the
spindle, sealed internal cartridge bearings and crank bolts sold
as a unit. There is a "Platinum Pro" series and a "platinum"
series. You are paying extra for aluminum vs CrMo Crank Bolts, and
Ti coated spindle vs. a hollow CrMo Spindle.
Again make sure you know what you are getting when you start putting
money on the table for a FSA bottom bracket Mega Exo or ISIS, since
they all sound pretty similar but range significantly in price.
Maintenance Tip: NEVER use a power washer on your bottom bracket
bearings. The bearing seals are designed to resist road muck NOT
200 pounds of water pressure!
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