Surly Mr. Whirly Spider

Surly Mr. Whirly Spider
  • Color: Black
  • Color: Silver
$82.99
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Details

Surly offers you spiders for their Mr. Whirly Cranks in a variety of Bolt Circle Diameters (BCDs) so you can run nearly any chainring combination you want. Be sure to check chainring/frame compatibility for your intended setup.

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