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  • Product description

    The Shimano R321 SPD-SL road racing shoes are performance wear for winners. Increasing pedalling efficiency is a super stiff sole with uni-directional fibres to keep things rigid, whilst keeping weight to a minimum. 

    An aerodynamic wrap-around upper design reduces drag by up to 5.5% for the marginal gains you need to stand on the podium. 

    Shimano's R321 SPD-SL shoes offer pro let fit thanks to the Custom-Fit upper and insole. These mouldable areas conform to your foot anatomy for an optimised fit that is very comfortable. 

    The Dynalast sole also offers an extra 11mm of cleat adjustment for the best shoe to pedal fit. 

    Key Features

    • No compromise pro racing shoe, with super stiff carbon sole and Custom-Fit technology.
    • Custom-Fit material in the upper is mouldable to conform to your foot contours for precision fitment offering the ultimate in comfort.
    • Moulded toe box for support and protection.
    • Custom-Fit insoles using anti-bacterium treatment with raised arches can be moulded to the foot giving the perfect fit.
    • TEIJIN 100 ultra-fine synthetic upper material has a fine leather feel while being light and well performing in wet conditions.
    • New aerodynamic wrap around upper design reduces drag by 5.5% compared to the R320 and also gives even tension across the top of the foot.
    • Full length Hollow Channel uni-directional carbon fibre sole keeps the shoe rigid and weight to a minimum meeting the demands of athletes, transferring pedalling power into speed.
    • Ergonomic heel cup offers improved ergonomics for better heel hold and stability.
    • Anti-slip heel lining prevents heel lift by using a knitted in silicon based material.
    • Dynalast sole construction offers an extra 11mm of cleat adjustment for perfect shoe-to-pedal fit.
    • Air holes in the sole increase ventilation.
    • Sole accommodates SPD-SL or Look cleats.
    • Weight: 489 g for pair of size 40.

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