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Components Rear derailleurs MTB 10-11-12 speed Shimano Saint RD-M820-SS derailleur, 10-wheel, short arm, Shadow+

Shimano

Shimano Saint RD-M820-SS derailleur, 10-wheel, short arm, Shadow+

Name: Shimano Saint RD-M820-SS derailleur, 10-wheel, short arm, Shadow+
Price: 141.0 EUR
Availability: LimitedAvailability
Rating: 5 (2 reviews)

5/5 (2 ratings)

Availability

141 €

RRP 185 €

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In-store pickup

From 27.01.2026 (Tuesday) Check availability

By courier to your home Express courier delivery DPD

Delivery method on Wednesday 28.01.2026

At collection points

Delivery method on Wednesday 28.01.2026

Extended return option up to 100 days More info

Free shipping

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5/5

Product description

The new standard in DH rear derailleurs – New chain control and silencing technologies exclusive to Saint debut in the new short cage Saint Shadow Plus RD-M820.

Unique features include a new silent bump stopper, Shadow Plus chain control technology and a cassette mode converter.

FEATURES

10-speed only
Urethane elastomer bump stop reduces noise
Mode converter (DH mode/Freeride mode)

FREERIDE 11-32 bis 11-36 teeth
DOWNHILL 11-23 bis 11-28 teeth

Shimano Shadow Plus RD technology: Super low-profile design with built in chain stabilizer
Super wide links: Create a rigid structure that resists twisting and improves durability
Integrated skid plate: Protects the derailleur in the event of an impact

Product features

Shadow RD+'s low derailleur profile and single tension principle prevents contact with the chain stay
Stabilizer spring on/off mechanism combined with extremely strong derailleur construction
The version is designed for extreme conditions in downhill and freeride cycling
Profile adjustment option for use with 11-28T (DH) or 11-36T (FR) cassette

Product details

Groupset	Shimano Saint
Gears	1x10, 2x10, 3x10
Control type	mechanical
Weight	280 g
Max. the size of the large cassette pinion	28T, 36T
Min. the size of the large cassette pinion	23T
Max. the size of a small cassette pinion	12T
Min. the size of a small cassette pinion	11T
Capacity	25T
product ID	2862
EAN

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Warnings and instructions

WARNING
For information on installation, adjustment, and replacement of the products which are not found in the user's manual, please consult 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 save it so that you can refer back to it at any time.
The following instructions must be always followed in order to prevent personal injury, physical damage to equipment and the surroundings. 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
- 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.
- Never use alkali- or acid-based solvents such as rust removers. If such a solvent is used, the chain may break and cause serious injury.
- Clean the chain regularly with an appropriate chain cleaner. The intervals between maintenance depend on the circumstances of use and riding.
- Check that the chain is not damaged (deformation or cracking), skipping, or showing any other abnormalities such as spontaneous gear shifting. If any problems are found, consult the place of purchase or a distributor. The chain may break and you may fall.

MTB 10-11-12 speed Shimano

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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