Product DescriptionThe Surly Mr Whirly spider is compatible with Surly Mr Whirly cranksets.
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Related Mr. Whirly Spider Forum Posts
Quick question - looking at the Surly Mr. Whirly cranks because of the availability of 185mm. I run a 1x6 on my Niner SIR, and was considering the possibility of skipping the spider altogether, and finding a chainring in the 30-32t range that has the 5x58mm of the cranks. Yes, I know that's not a ... Read More »