• Mentioned over in the gravel bike thread, along with an horrendous new nickname, "grammuter", the Specialized Sirrus series of hybrids. The Sirrus X 5.0 (£1599) has a carbon frame with a seatstay bridge.

    Carbon models for 2020 are:

    • Sirrus X 5.0
    • Sirrus 6.0
    • Sirrus 4.0
    • Sirrus Expert
    • Sirrus Elite Carbon

    All seem to have the same frame. The Sirrus X 5.0 mentions racks in the product description, suggesting you use the seat stay bridge, but it might be a mistake: they use the same description as for the aluminium models, which have rack lugs.

    Specialized Sirrus X 5.0

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