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FSA Gamma Drive Crankset The FSA Gamma Drive Crankset features the integrated MegaExo bottom bracket and is constructed of AL356 cast aluminum crank arms, AL7075/T6 stamped outer chainring, ramped and pinned for perfect shifting, heat-treated chromoly middle chainring, ramped and pinned, and heat-treated chromoly 22 tooth inner chainring. With chromoly chainring bolts and MegaExo oversize cartridge bearings, the FSA Gamma Drive Crankset boasts an oversize OTTO splined (8T) integrated chromoly axle and MegaExo alloy bearing cups. |
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