Filter By:


Surly Mr. Whirly Crank Arms
Surly Mr. Whirly Crank Arm Sets are sold without spider or spindle for complete customization. - Armsets 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) - Chainrings, and chainring mounting bolts sold separately - Outboard-style bearings sold separately; use Shimano Mtn, Race Face X Type or FSA MegaEXO - Build it to be the crank you want: single, double, triple, or trials - Forged and machined 7075 aluminum - Weight: 605g
Page 1 of 1