Designed to be used with Problem Solvers Direct Mount Adapters, the ChainSpy2 offers a simple chain retention solution on fatbikes and other bikes that use the Problem Solvers Direct Mount Adapter, great for chainring BCDs that aren't available in a narrow-wide set up. The composite cage helps to eliminate chain noise for quiet operation.
Composite cage with alloy slider
Problem Solvers Direct-Mount Adapters not included
Works with Salsa and Surly fatbikes
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