Shimano PD-M324 Pedals Manual

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3 mm Allen key

Adjustment bolt

Decrease

If the tension indicator is at the strongest or the weakest

position, do not turn the adjustment bolt any further.

Tension indicator

Adjustment bolt

Tension

indicator

Spring plate

Cleat replacement

Cleats wear out over time and should be replaced periodically. Cleats

should be replaced when it becomes difficult to release, or it starts to

release with much less effort than the when it was in new condition.

Note:

In order to prevent accidental release from occurring, make

sure all the spring tensions are properly adjusted.

The spring tensions should be adjusted equally for both right

and left pedals. If they are not adjusted equally, it can cause

the rider difficulty to engage or release from the pedals.

If the adjustment bolt is completely withdrawn from the spring

plate, disassembly and reassembly will be required. If this

occurs, ask a professional dealer for assistance.

The spring force is adjusted by means of adjustment bolts. The

adjustment bolts are located behind each of the bindings, and there is

one adjustment bolt on each pedal. Equalize the spring tensions by

referring to the tension indicators and by counting the number of turns

of the adjustment bolts. The spring tension can be adjusted in three

steps for each turn of the adjustment bolt.

Mounting the reflectors (optional)

Adjusting the spring tension of the binding

BS612/2

TPP30

4048

CATEYERR-0223

BS612/2

TPP30

4048

CATEYERR-0223

Reflector

Strongest position Weakest position

Increase

Sockliner

Waterproof seal

NOTE:

BE SURE TO READ AND FOLLOW THE ABOVE WARNINGS

CAREFULLY.

If the warnings are not followed, your shoes may not come

out of the pedals when you intend or they may come out

unexpectedly or accidentally, and severe injury may result.

Before riding the bicycle, check that there is no play or looseness

in the connection. Also, be sure to retighten the crank arms and

pedals at periodic intervals.

In addition, if pedaling performance does not feel normal, check

this once more.

Parts are not guaranteed against natural wear or deterioration

resulting from normal use.

For maximum performance we highly recommend Shimano

lubricants and maintenance products.

General Safety Information

SPD pedals are designed so that you release them only when

you intend to release. They are not designed to release

automatically at times such as when falling off the bicycle. This

is a safety measure to prevent you from losing balance and

falling off the bicycle as a result of your feet becoming

accidentally released from the pedals.

Use only SPD shoes with this product. Other types of shoes

may not release from the pedals, or may release unexpectedly.

Use only Shimano cleats (SM-SH51/ SM-SH52 / SM-SH55 / SM-

SH56) and tighten the mounting bolts securely to the shoes.

Before attempting to ride with these pedals and shoes, make

sure you understand the operation of the engagement /release

mechanism for the pedals and cleats (shoes).

Before you attempt to ride with these pedals and shoes, apply

the brakes, then place one foot on the ground and practice

engaging and releasing each shoe from its pedal until you can

do so naturally and with minimal effort.

Ride on level ground first until you become adept at engaging

and releasing your shoes from the pedals.

Before riding, adjust the spring tension of the pedals to your

liking.

When riding at low speed or when there is a possibility that you

might need to stop riding, (for example, when doing a U-turn,

nearing an intersection, riding uphill or turning a blind curve),

release your shoes from the pedal beforehand so that you can

quickly put your feet onto the ground at any time.

Use a lighter spring tension for attaching the pedal cleats when

riding in adverse conditions.

Keep cleats and bindings clear of dirt and debris to ensure

engagement and release.

Remember to check the cleats periodically for wear. When the

cleats are worn, replace them. Always check the spring tension

after replacing the pedal cleats and before riding. If you do not

maintain both your shoes and cleats in good condition, release

and engagement to the pedals could become unpredictable or

difficult, which could result in severe injury.

Be sure to attach reflectors to the bicycle when riding at night.

Do not continue riding the bicycle if the reflectors are dirty or

damaged, otherwise it becomes more difficult for oncoming

vehicles to see you.

Obtain and read the service instructions carefully prior to

installing the parts. Loose, worn, or damaged parts may cause

serious injury to the rider.

We strongly recommend only using genuine Shimano

replacement parts.

If you have any questions concerning your pedals, contact a

professional dealer.

Read these Technical Service Instructions carefully, and keep

them in a safe place for later reference.

Tightening torque:

5 – 6 N·m {43 – 52 in. lbs.}

Engaging the cleats with the pedals

Releasing the cleats from the pedals

The waterproof seal is

supplied with Shimano

shoes which require this

step to be carried out.

Note:

A 6 mm Allen key cannot provide a sufficient tightening torque.

Always be sure to use a 15 mm spanner.

Note:

This step may not be necessary

depending on the type of shoes.

Note:

Remove the sockliner and position a cleat nut over the oval holes.

Waterproof seal

Remove the sockliner and attach the waterproof seal.

Adjusting the cleat position

The cleat has an adjustment range of 20 mm front to

back and 5 mm right to left.

After provisionally tightening the cleat, practice

engaging and releasing, one shoe at a time.

Readjust to determine the best cleat position.

After you have determined the best cleat position,

firmly tighten the cleat mounting bolts with a 4 mm

Allen key.

From the bottom of the shoe, position a cleat and then a cleat

adapter over the cleat holes. The cleats are compatible with both

left and right pedals. Provisionally tighten the cleat mounting bolts.

Provisional tightening torque

for cleat mounting bolts:

2.5 N·m {22 in. lbs.}

Position the triangular

portion of the cleat toward

the front of the shoe.

Front

Press the cleats into the pedals with a forward and downward

motion.

Do not use the pedals and cleats in any way other than

as described in these Service Instructions. The cleats

are designed to engage and release from the pedals

when the cleats and pedals are facing forward.

See below for instructions on how to install the cleats.

FAILURE TO FOLLOW THESE INSTRUCTIONS MAY

RESULT IN SERIOUS PERSONAL INJURY.

Single release mode cleats (SM-SH51 / SM-SH52) and

multiple release mode cleats (SM-SH55 / SM-SH56) are

available for use with these pedals.

Each type of cleat has its own distinctive features, so

be sure to read the Service Instructions carefully and

select whichever type of cleat best suits your riding

style and the terrain and riding conditions which you

will encounter.

The method of release varies according to the type of cleats you are using.

(Check the model number and color of your cleats to determine the proper method of release.)

In multiple release mode, it is

necessary to practice releasing

until you become accustomed to

the technique. Releasing by lifting

your heel requires particular

practice.

Note:

It is necessary to practice

releasing until you become

accustomed to the technique.

Note:

Release the cleats from the pedals by twisting

your heels outward.

Release the cleats from the pedals by twisting

your heels in any direction.

The cleats can be released by twisting in any direction.

Because the cleats can also be released by lifting your heel, they

may become accidentally released when applying upward force on

the pedals.

These cleats should not be used for riding style which may involve

pulling up on the pedals or for activities, such as jumping, in which

pulling forces are applied to the pedals causing possible release

from the pedals.

Although the cleats can be released by twisting your heels in any

direction or by lifting, they will not necessarily release if you lose

your balance.

Accordingly, for places and conditions where it looks as though you

may lose balance, make sure that you have sufficient time to release

the cleats beforehand.

If the cleats release by accident, you may fall off the bicycle and

serious injury may result.

If the features of multiple release mode cleats are not sufficiently

understood and if they are not used correctly, then they may release

accidentally with a greater frequency than for single release mode

cleats.

You can help to prevent this by adjusting the amount of force

required to release the cleats in any direction, and you should

practice until you are accustomed to the amount of force and the

angle required to release.

You are able to apply upward force to the pedal, since they will not

release unless the foot is twisted outward.

The cleats will not necessarily release if you lose your balance.

Accordingly, for places and conditions where it looks as though you

may lose balance, make sure that you have sufficient time to release

the cleats beforehand.

When you are pedaling vigorously, your heel may inadvertently twist

outward and this may cause the cleat to release accidentally. If the

cleat releases by accident, you may fall off the bicycle and serious

injury may result.

You can help to prevent this by adjusting the amount of force

required to release the cleats, and you should practice until you are

accustomed to the amount of force and the angle required to release

the cleats.

These cleats only release when the heel is twisted outward.

They will not release if the heel is twisted in any other direction.

SM-SH51/ SM-SH52 (black /Optional accessory)

Single release mode cleats:

SM-SH55 (silver) / SM-SH56 (gold /silver)

Multiple release mode cleats:

Single release modeMultiple release mode

Rubber cover for cleat

mounting holes

SPD shoe

Sockliner

SM-SH51

4 mm Allen key

Cleat mounting bolts

Cleat adapter

Cleat

SM-SH51

15 mm spanner

Mounting the pedals on the crank arms

Use a 15 mm spanner to mount the pedals on the crank arms. The

right pedal has a right-hand thread; the left pedal has a left-hand

thread.

Pay attention to

the mark

R: right pedal

L : left pedal

This step may not be necessary

depending on the type of shoes.

Note:

Tightening torque:

35 – 55 N·m {304 – 477 in. lbs.}

Cleat types and using the pedals

Dec. 2008 by Shimano Inc. PIT. IZM. Printed in Malaysia

These service instructions are printed on recycled paper.

Please note: Specifications are subject to change for improvement without notice.

(English)

3-77 Oimatsu-cho, Sakai-ku, Sakai, Osaka 590-8577, Japan

One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003 Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222

These pedals can be fitted with toe clips, but the toe clips should

be removed when using the pedals as SPD pedals.

These pedals have an SPD-type face on one side and a standard

face on the other side.

With a pair of pliers or a similar tool, pull off the rubber

cover to expose the cleat mounting holes.

Attaching the cleats

WARNING

– To avoid serious injuries:

WARNING

CAUTION

– To avoid serious injuries:

SI-41N0G-001

PD-M324

SPD Pedals

Technical Service Instructions

Cleat nut

Advantages and Disadvantages

Advantages

Dual-sided design: SPD engagement on one side and flat platform on the other for versatility.
Accepts multiple Shimano cleat types (single and multi-release) to suit rider preference.
Adjustable spring tension and cleat position for personalized fit and improved safety.
Durable construction with simple maintenance: waterproof seal and replaceable cleats.
Affordable, user-friendly option for commuters and recreational cyclists.

Disadvantages

Multi-release cleats can disengage unexpectedly if not properly understood and adjusted.
Requires practice to master engagement and release; not ideal for beginners who won’t train.
Some installations or full disassembly may need professional assistance.
Cleat wear leads to unpredictable release if not inspected and replaced regularly.
Proper mounting needs a 15 mm spanner; 6 mm Allen key is insufficient for pedal mounting.

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Do you recommend PD-M324?

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Frequently Asked Questions

PD-M324 accepts Shimano cleats SM-SH51, SM-SH52 (single-release) and SM-SH55, SM-SH56 (multi-release). Choose single-release for predictable retention or multi-release for easier, multi-directional disengagement, and practice whichever you select.

Is this answer helpful?

Use a 15 mm spanner to mount pedals: right pedal has right-hand thread, left pedal has left-hand thread. Tightening torque for mounting is 5–6 N·m (43–52 in·lbs). Always confirm threads and torque to avoid loosening while riding.

Is this answer helpful?

Position cleats within a 20 mm fore-aft and 5 mm lateral range. Provisionally tighten mounting bolts, practice clipping in/out, refine position, then torque bolts with a 4 mm Allen key. Adjust spring tension via the under-plate adjustment screws and equalize left/right using tension indicators.

Is this answer helpful?

Replace cleats when release becomes difficult or noticeably easier than new (indicating wear). Keep cleats and bindings free of dirt, inspect regularly, and retighten mounting bolts periodically. Use genuine Shimano replacement parts and recommended lubricants for best performance.

Is this answer helpful?

No. Multi-release cleats may disengage with upward forces; avoid using PD-M324 with styles that involve pulling up or jumping. Use single-release cleats if you need more secure retention and always practice release technique first.

Is this answer helpful?

Yes, these pedals can be fitted with toe clips, but toe clips must be removed when using the pedals as SPD. The PD-M324 is dual-faced (SPD and standard), so configuration depends on your riding needs.

Is this answer helpful?

You need a 15 mm spanner for mounting pedals to crank arms and a 4 mm Allen key to tighten cleat mounting bolts. Do not rely on a 6 mm Allen key for pedal mounting; it cannot achieve sufficient tightening torque.

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