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Shimano Authorized Retailer FIST Certified

Surly Mr. Whirly Crank Arm Set 170mm Black

Availability:Out of Stock (0 Available)
Your Price:$116.50

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AEBike Part Number: CR0020
Manufacturer:  Surly
Manufacturer Part Number: ARMSET170W/BOLTS
UPC: 708752039568


Expected restock date: 1/1/1900
Surly Mr. Whirly Crank Arm Sets are sold without spider or spindle for complete customization.
  • Chainrings, and chainring mounting bolts sold separately
  • Outboard-style bearings must be purchased separately; use Shimano Mtn, Race Face X Type or FSA MegaEXO
  • Forged and machined 7075 aluminum
  • 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)
Item Specifications
ColorBlack
Weight605g
Spindle Interface TypeSurly Mr. Whirly
Pedal Spindle9/16"
Chainring BCDSurly Mr. Whirly Mount
BB IncludedNo
Crank Intended UseMountain
Defined ColorBlack
Spindle DiameterNot Included
Chainrings IncludedNo
Crank Length (mm)170
Drivetrain Speeds10
Drivetrain Speeds9
Drivetrain SpeedsSingle Speed 3/32"
Number of ChainringsConfigurable Spider
116 points will be rewarded for our loyalty program when this product is purchased.





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