Shimano SPD Cleat Set SM-SH51 w/o cleat nut

Shimano SPD Cleat Set SM-SH51 w/o cleat nut Shimano

Shimano SPD Cleat Set SM-SH51 w/o cleat nut

Shimano SPD Cleat Set SM-SH51 w/o cleat nut

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What Is the Shimano SM-SH51 SPD Cleat Without Cleat Nut?

The Shimano SM-SH51 without cleat nut is the SPD single-release cleat for shoes that already have captive cleat nuts installed in the sole, which is the standard configuration on most quality MTB, gravel, and touring shoes purchased new. Single-release requires a deliberate lateral heel-out twist to exit the pedal, providing a locked-in connection preferred by performance-oriented riders who want to eliminate any chance of accidental release during sprinting, climbing, or technical efforts. Selling without the nut avoids the hassle of handling loose hardware when replacing worn cleats on shoes with existing captive inserts.

Compatible with all Shimano SPD two-bolt cleat pedals. Sold individually as a single cleat without a nut. For shoes with existing captive cleat nut inserts in the sole.

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  • Estimated delivery: Aug 20 - Aug 24

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Specifications

  • Model: SM-SH51
  • System: SPD (2-bolt MTB/gravel)
  • Release: Single-release (lateral heel-out only)
  • Cleat Nut: Not included
  • Quantity: Single cleat only
  • Use: Shoes with existing captive cleat nut inserts
  • Compatible: All Shimano SPD 2-bolt pedals

FAQ

How do I know if my shoe has a captive nut?

Most modern SPD-compatible shoes have captive cleat nut inserts pre-installed in the sole -- threaded channels that hold the cleat bolt in place during installation without loose nuts. If your shoe has visible threaded inserts in the cleat slot, use this no-nut version.

What is the difference between SM-SH51 and SM-SH56?

SM-SH51 is single-release -- exit requires a lateral heel-out twist only. SM-SH56 is multi-release -- exit is possible in multiple directions including upward and diagonal, making it easier for beginners and commuters. Choose SM-SH51 for secure engagement and SM-SH56 for ease of exit.

How is this different from the SM-SH51 pair with cleat nuts?

The with-nut version includes loose cleat nuts for shoes where the sole does not have captive inserts -- typically older shoes or some touring footwear. This no-nut version is for shoes with captive inserts already installed.

Best For

Performance-oriented MTB, gravel, and road cyclists replacing worn SM-SH51 single-release SPD cleats on shoes with existing captive cleat nut inserts.

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