Surly
Surly

Surly Mr. Whirly Crankarm Set

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Item #: CR306A00
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The Surly Mr. Whirly Crank Arm Sets is sold without spider or spinde for complete customization, allowing you to build it to be the crank you want: single, double, triple or trials.
  • Choose one armset, one spider and one spindle
  • Outboard-style bearings must be purchased separately; use Shimano Mtn, Race Face X Type or FSA MegaEXO
  • Armsets include bearing tension and dust caps 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
  • Crank Intended Use: Mountain, Single Speed, DH/Freeride
  • Intended Use: Mountain
  • Arm Length: 170, 175, 180 mm

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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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