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Please note: View 'Tyres Guide' below for ETRTO Sizing

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  • Tyres Guide
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  • Product Description

    The FatBoy is our classic mountain bike slick tyre, as it rolls smooth and fast to effectively transform your mountain bike for the road or trainer. And with new sizes, you're now able to convert your 29er, too.

    • Casing: 60 TPI
    • Bead: Wire
    • Compound: 70a
    • Flat Protection: Flak Jacket
    • 700 x 45mm / 29 x 1.7"; psi 50-75; approximate weight 555g