Surly Mr. Whirly Crank Arm Set 170mm Silver


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Our Price 116.50

Reward Members Earn: 1.16

  • Chainrings, and chainring mounting bolts sold separately
  • Build it to be the crank you want: single, double, triple or trials
  • 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)
  • Forged and machined 7075 aluminum
  • Outboard-style bearings must be purchased separately; use Shimano Mtn, Race Face X Type or FSA MegaEXO
Item Specifications
Chainring BCD58
Crank Intended UseDH/Freeride
Crank Intended UseMountain
Crank Intended UseSingle Speed
Defined ColorSilver


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