Surly Mr. Whirly Crank Arm Sets Black Surly Mr. Whirly Crank Arm Set, 170mm, Black

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 trials Outboardstyle bearings must be purchased separately use Shimano Mtn, Race Face X Type or FSA MegaEXO Chainrings, and chainring mounting bolts sold separately Armsets include nondrive side bearing adjust cap, drive side PTO bolt cap, and two sets of spider mounting bolts one short for spider mounting onl

Price: $116.50 from

Modern Bike

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