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Chainring Clinch Extension Cog 42T Shimano

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Funn

Funn

Cassettes & Freewheels

pieces

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Clinch extension cog extends the range of biggest rear cog to 40T. It is the perfect match to front single chain ring conversion.
16T cog and B-tension screw included.
Specification
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  • Gandrs

    We are looking forward to your feedback, questions and suggestions.

    Respectfully,
    Gandrs