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Surly Mr. Whirly Crank Arm Set, 185mm, Black

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Surly Mr. Whirly Crank Arm Set, 185mm, Black

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Surly Mr. Whirly Crank Arm Sets are sold without spider or spindle for complete customization.;Build it to be the crank you want: single; double; triple or trialsOutboard-style bearings must be purchased separately; use Shimano Mtn; Race Face X Type or FSA MegaEXOChainrings; and chainring mounting bolts sold separatelyArmsets include non-drive side bearing adjust cap; drive side PTO bolt & cap; and two sets of spider mounting bolts (one short for spider mounting only; and one long for mounting spider with granny ring)Forged and machined 7075 aluminum;Item SpecificationsColorBlackWeight605gIntended UseMountainChainring BCD58mmArm Length185mmCrank Intended UseDH/Freeride;Mountain;Single SpeedDefined ColorBlack

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