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Shimano Saint PD-M821 clipless pedals + SM-SH51 cleats

109  savings
RRP 165 
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From 27.01.2026 (Tuesday) Check availability
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Delivery method on Wednesday 28.01.2026
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Delivery method on Wednesday 28.01.2026
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Rating (17)
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Shimano Saint PD-M821 pedals

Racing pedals for All-Mountain, Enduro, Downhill with maximum energy transfer efficiency when pedaling.
Product features
Wider pedal contact area combined with AM series shoes improves stability
Durable and even thinner Cr-Mo axle with 8 mm Allen key
Four height-adjustable pins for better grip even without clamping in the SPD system
Product details
Colour black
Technical designation PD-M521
Designation MTB All-Mountain, Enduro, Downhill
Weight 737 g
Technology SPD
Material Aluminium (body), Cr-Mo steel (axle)
Package contents right and left pedals, SM-SH51 cleats
product ID 141018
Product rating  (17 ratings)
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WARNING
For assistance with installation, adjustment and replacement of the products which are not found in the user's manual, please contact the place of purchase or a distributor. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and keep it in a place where it can be referred to at any time.
The following instructions should always be followed in order to prevent personal injury, damage to equipment or damage to the surrounding area. The instructions are classified according to the degree of danger or damage which may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury, or physical damage to equipment and surroundings.

WARNING
- In order to ensure the safety of children using this product, guardians should instruct children in the proper usage after guardians and children fully understand the information below. Failure to do so may result in serious injury.
- Do not disassemble or modify the product. It may cause the product to not operate correctly, and you may fall unexpectedly and be seriously injured.
- Before attempting to ride with these pedals and cleats (shoes), be sure that you understand the operation of the engagement/release mechanism for the pedals and cleats (shoes). SPD pedals are designed to release only when needed. They are not designed to release automatically in the event of a fall from your bicycle.
- Only use SPD-compatible 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-SH56) and securely tighten the mounting bolts to the shoes. If the bolts are not securely tightened, the feet may not be able to release from the pedals, causing a fall.
- Before you attempt to ride with these pedals and cleats, apply the brakes, then place one foot on the ground and practice engaging and releasing each cleat from the pedal until you can do so instinctively and with minimal effort.
- Practice riding on a level surface first until you become adept at engaging and releasing the cleats from the pedals.
- Before riding, adjust the cleat retention force on the pedals to suit your needs. If the cleat retention force on the pedals is weak, the cleats may release accidentally, and you may lose your balance and fall off the bicycle. If the cleat retention force on the pedals is strong, the cleats may not be easy to release.
- When riding at low speeds or when there is a possibility that you may need to stop (for example, when making a U-turn, at an intersection, when riding uphill or when cornering sharply), release the cleats from the pedals beforehand so that you can quickly put your feet on the ground at any time.
- When riding in adverse conditions, use a weaker cleat retention force to secure the pedal cleats.
- To ensure proper engagement and release, keep the cleats and binding free of dirt and debris.
- Be sure to periodically inspect the cleats for wear. When the cleats are worn, replace them and adjust the cleat retention force of the pedals before riding and after replacing the pedal cleats.
- Failure to heed the above warnings may result in the shoes not being able to disengage from the pedals when you want them to, or they may disengage unexpectedly or accidentally, which could result in serious injury.
- When riding on roadways, be sure to install reflectors on the bicycle. Reflectors are sold separately for models that are not equipped with reflectors as standard equipment. Consult the place of purchase or a distributor for information on compatible reflectors.
- If the reflectors are dirty or damaged, do not continue riding the bicycle. Otherwise it may be difficult for oncoming vehicles to notice you.

Models with grip force adjustment pins:
- If you are unsure how to adjust the pins on the pedals, contact the place of purchase or a distributor.
- Lift your feet off the pedals and move them to the side to release them from the pedals. Place one foot firmly on the ground and practice putting on and taking off the other foot from the pedal until you get used to the whole action. Otherwise you may fall and be seriously injured. If you cannot get used to this action, use the product with the spacers installed.
- Wear clothing and protective gear that are appropriate for the way you use the bicycle. Because the spikes are very long, they may cause serious injury if they come into contact with the skin.

Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.

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