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  • Shimano Saint M820 Shadow+ 10 Speed Rear Mech
  • Shimano Saint M820 Shadow+ 10 Speed Rear Mech
NOW$137.99
  • RRP$205.49
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Short Cage
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Shimano Saint Rear Derailleur 10 Speed M820

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.

The third generation of Saint was developed under the “Pure Gravity” design philosophy with a clear focus on downhill speed. New Saint is dedicated to DH racing, new Saint enhances concentration and focus through seamless and stable bike control, new Saint accelerates and decelerates at Word cup levels.

Shimano Saint Rear Derailleur 10 Speed M820 Features:

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

Buy Shimano Saint Rear Derailleur 10 Speed M820 from Chain Reaction Cycles, the world's largest online bicycle store.

  • Colour: Black
  • Size: Short Cage
  • Speed: 10 Speed
 
Rated 4.5 out of 5 by 13 reviewers.
Rated 5 out of 5 by This product is awesome have great performance shifting never regretting getting one 21 July 2014
Rated 5 out of 5 by Ultimate rear d The best rear d to pair with a Saint shifter. Precise shifting. Crash proof and it out perform my SRAM XO anytime. 28 June 2014
Rated 5 out of 5 by quick and smooth This is my second Saint Derailleur, use to have M810 long cage (feel heavier), got this love it, 5 star product, and the cable only come with the shifter, Derailleur don't come with cable 15 May 2014
Rated 5 out of 5 by Very Good This is a very good product strong light and shifts very smooth it looks the part to worth the buy 25 April 2014
Rated 4 out of 5 by Tough I got this when I upgraded to 10 speed on my AM bike. No regrets at all. Ran the shifter with a SRAM PG1070 (11-36) cassette and XTR M980 Shifters. Smooth and relaible. I can mash hard on the gears with no worry of slipping, mis-shifting. It also withstood countless crashes and knocks. In one incident, a 5 inch x 2 inch thick wood branch got caught in my rear d, spokes and rotor. I managed to pull it out and the derailleur was unscathed. Solid product that you don't need to worry about. 14 April 2014
Rated 4 out of 5 by Great For DH! Excellent Product. Lasted a good season at Whistler. This is key: ensure that you get the shop to preform maintenance every 20 or so hours on the internal spring. This isn't well known but is mandatory if you want the spring to have a decent lifetime 17 February 2014
Rated 3 out of 5 by Great mech, some cheap components Broken the clutch lever on two separate mechs now. 21 November 2013
Rated 5 out of 5 by Great! Shifts well and very durable. My only complaint is that CRC should've stated that this was OEM and doesn't come with any cable housing supplied. 08 November 2013
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5 Questions : 7 Answers

Product Q&A

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2 answers

does this suit an 11-36 rear cassette?

Age: 35 to 44
Gender: Male
Attitude: On the up
 
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1 year ago
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Hornsby,AU
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Answer: 
Yes it work with 11-36. I used it extensively for a long period of time without any problem.
Age: 25 to 34
Gender: Male
Attitude: Passionate and Obsessive
2 months ago
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Answer: 
The Shimano Saint M820 has two different settings, one for "Downhill" and one for "Freeride" riding.
"Freeride" mode will work with 11-32/11-34/11-36 sprockets and "Downhill" mode will work with 11-23-11-25-11-28 sprockets.
To use a Freeride cassette ratio you need to engage the mode converter on the back of the mech which gives the mech a bit more leverage for the larger sprocket sizes.
1 year ago
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2 answers

Does it work with 42T cassette?

Does it work with 42T cassette?
4 months, 1 week ago
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Answer: 
It barely can work. Puts alot of stress on the rear D. Suggest you use at least a mid cage rear D
Age: 25 to 34
Gender: Male
Attitude: Passionate and Obsessive
2 months ago
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Answer: 
When using a 42t rear cog you will need a Medium cage rear derailleur for a 1x setup, and a Long cage for a 2x setup. Short cage derailleurs such as this Saint will not be suitable.
Age: 25 to 34
Gender: Male
Attitude: Just for Fun
4 months, 1 week ago
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i've got 11-32 speed casette
Age: 18 to 24
Gender: Male
Attitude: Passionate and Obsessive
 
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10 months ago
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Answer: 
This 10-speed mech is not compatible with a 9-speed drivetrain as a 10-speed system requires a narrow 10-speed chain which is only compatible with a 10-speed cassette.
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10 months ago
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1 answer

is this top or low normal?

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1 year ago
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hull,GB
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Answer: 
The Shimano Saint M820 Shadow+ Mech would be a Low Normal as standard, the only Top Normal version I know of is the 'Shimano XT M770 Rapid Rise Mech'
1 year ago
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Age: 25 to 34
Gender: Male
Attitude: On the up
1 month, 1 week ago
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Quintinha Sesimbra,PT
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Answer: 
Yes, I can confirm you can use this derailleur with a 10 speed XT shifter.
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3 weeks ago
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