Why do my cheap SPD cleats have loose screws that keep backing out?

Cheap cleats often use screws made of soft metal that strip under normal torque. Once stripped, the screw cannot hold the cleat tight. Use a thread-locking compound (blue Loctite) on the screws, but if the threads are already damaged, replacement is the only fix.

What is the difference between Shimano SH51 and SH56 cleats?

The SH-51 uses a single-direction release that requires you to twist your heel outward to unclip. The SH-56 allows release in any direction, making it easier to get a foot down quickly. However, the SH-56's multi-directional design can lead to accidental unclipping during hard pedaling or on rough terrain. Choose based on your need for retention vs. easy release.

Can I use Shimano SPD cleats on Look X-Track pedals?

Look X-Track pedals use the same two-bolt cleat pattern as Shimano SPD. Standard Shimano cleats (SH-51, SH-56) are fully compatible. However, some third-party cleats labeled for SPD and X-Track may have slight fit variations. Stick with genuine Shimano cleats for guaranteed compatibility.

Why do my multi-release cleats unclip when I don't want them to?

Multi-directional cleats like the SH-56 are designed to release from any angle. On bumpy trails or during hard sprints, a sideways force can trigger an unintended release. If you ride aggressive terrain or need maximum retention, a single-release cleat (SH-51) is the safer choice.

Components

Best SPD Cleats of 2026: The Ones That Stay Locked In When You Need Them

Updated July 5, 2026

Which SPD cleats keep you clipped in during tough rides but release when needed – and which ones cause stripped screws or accidental unclipping.

Many cyclists discover too late that a low-priced cleat often means screws that strip or a clip that releases without warning. These shortcuts turn a simple upgrade into a recurring headache.

The real choice comes down to whether you want a solid, predictable connection or the ability to get a foot down in a split second. Each release style has a mechanical trade-off that affects your riding experience. This guide cuts through the options to match cleat type to your specific riding style.

Shimano SH-51 Cleats

Top Pick

Indoor, road, mountain

Our Score 9.6/10

Check Price

What We Like

Durability that can last through years of regular use.
Simple screw-on installation with no special tools required.
Secure clip engagement that holds firmly yet unclips cleanly when needed.

Worth Noting

Single-direction release requires an outward heel twist, which can feel restrictive for riders who need to unclip in multiple directions.

Float: 4°
Compatibility: All SPD except PD-M858
Ease & Durability: Screw-on mount

Read the full review

These cleats hold up through years of regular use, with consistent engagement that locks securely and releases predictably with a deliberate outward twist. Installation is straightforward — screw them on with a Phillips head, no special tools required.

Best suited for indoor cycling, road riding, and mountain biking where single-direction release is the norm. Riders who need multi-directional unclipping for quick foot-drops — such as beginners or technical trail riders — may find the fixed release angle less forgiving. The SH-56 multi-release cleat is a better fit for those needs.

Practice the heel-out twist in a safe area to get comfortable with the release motion — it becomes second nature after a few rides.

Bottom line: For riders comfortable with single-direction release, these cleats offer unmatched longevity and consistent engagement at a fair price — a no-surprises choice for any SPD system.

How to Choose

Float (Rotational Play)

Float is the degree of sideways rotation allowed while your foot is clipped in. More float reduces knee stress on long rides but can feel loose when sprinting. Road riders typically prefer 4° float for efficiency, while mountain bikers may opt for 6° to accommodate uneven terrain without forcing the knee.

Release Direction

Single-direction cleats (twist heel outward) provide a solid engagement that resists accidental release – ideal for hard pedaling and rough trails. Multi-directional cleats release when twisted in any direction, making them easier for beginners and stop-and-go commuters. The trade-off is that multi-directional cleats can unclip unexpectedly during aggressive cornering or sprints.

Material and Screw Quality

Screw metal makes or breaks the cleat. Third-party brands often use soft steel that strips under normal torque, leaving loose cleats that can shift or fall off. Shimano cleats use hardened screws that stay tight for years. If screws back out, blue threadlocker helps, but a stripped screw usually means replacing the entire cleat.

Compatibility with Pedals

Not all SPD cleats fit every pedal. Shimano cleats are compatible with most two-bolt SPD pedals except the PD-M858. Third-party cleats often claim dual compatibility with Shimano SPD and Look X-Track, but some have slight dimensional differences that cause poor engagement. Always check your pedal model before buying.

Ease of Installation and Durability

All SPD cleats mount with two screws and a hex key – installation is straightforward. Durability, however, varies widely. Shimano cleats often remain fully functional after six years of regular use. Budget cleats may fail within weeks due to soft screws or cracked plastic bases. For long-term reliability, the extra cost of genuine cleats pays off.

Frequently Asked Questions

: Cheap cleats often use screws made of soft metal that strip under normal torque. Once stripped, the screw cannot hold the cleat tight. Use a thread-locking compound (blue Loctite) on the screws, but if the threads are already damaged, replacement is the only fix.
: The SH-51 uses a single-direction release that requires you to twist your heel outward to unclip. The SH-56 allows release in any direction, making it easier to get a foot down quickly. However, the SH-56's multi-directional design can lead to accidental unclipping during hard pedaling or on rough terrain. Choose based on your need for retention vs. easy release.
: Look X-Track pedals use the same two-bolt cleat pattern as Shimano SPD. Standard Shimano cleats (SH-51, SH-56) are fully compatible. However, some third-party cleats labeled for SPD and X-Track may have slight fit variations. Stick with genuine Shimano cleats for guaranteed compatibility.
: Multi-directional cleats like the SH-56 are designed to release from any angle. On bumpy trails or during hard sprints, a sideways force can trigger an unintended release. If you ride aggressive terrain or need maximum retention, a single-release cleat (SH-51) is the safer choice.