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Surly Mr. Whirly Offset Double Crankset

Surly Mr. Whirly Offset Double Crankset

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Product Details

Surly Mr. Whirly Offset Double Crankset

Surly's Mr. Whirly Offset Double Crankset is designed specifically for bikes running very large tires and rims, such as Surly's Moonlander and/or Pugsley. The offset ensures that the chain will never rub on the tire. Mr. Whirly is made of forged and machined 7075 aluminum, is 9-speed compatible and comes with 22- and 36-tooth 5-bolt/5-arm chainrings. It also has a bash guard and comes with a precision English-thread sealed-bearing bottom bracket (fits 100mm-wide frame bottom brackets), so this trick crankset is ready for installation.

Features and Information

  • Bottom bracket included
  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Store SKU
    Pugsley/Mukluk-compatible 170mm 00708752075382 CR0044
    Pugsley/Mukluk-compatible 175mm 00708752075399 CR0045
    Moonlander-compatible 170mm 00708752074071 CR0084 SUR50848130B
    Moonlander-compatible 175mm 00708752074088 CR0085
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