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Shimano XTR RD-M9000 11S Rear Derailleur

Item #: RD222A00
USD$139.99 SAVE 39% USD$229.99 msrp
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Shimano XTR RD-M9000 11S Rear Derailleur

Shimano XTR RD-M9000 Rear Derailleur

Focus and determination defines you. You are streamlined and efficient. You embrace the most difficult challenges and refuse to give up. You never make excuses, you never stop trying. You conquer mountains from the bottom up, never satisfied with only the descent. You crush the whole loop, every pedal stroke a relentless assault on gravity, your competitors and your personal records. You are XTR and XTR is you. Seriously fast. Confident. Experienced. XTR is committed to rewarding your every effort and has the pedigree to deliver. Dripping with performance, the XTR M9000 drivetrain will not only transfer every watt of energy from pedal to wheel, it will seamlessly shift between perfectly spaced gears allowing you to maintain critical rhythm and momentum over any terrain. You tell yourself you can race without XTR, but you won’t. Never second guess your first instinct.

Sometimes the difference between cleaning a section or not is a well-timed, perfectly executed shift. The light action, stability and precision of Shimano’s XTR M9000 rear derailleur swing the odds in your favor in those critical situations. A new Shadow design optimizes the slant angle, lowering shift effort while improving shifting and driving stability. For this generation of the XTR rear derailleur Shimano updated the design and brought the pulley father forward, resulting in more chain wrap and better chain tension throughout the gearing range. This versatile design is compatible with 1x, 2x, and 3x drivetrains, maximizing your drivetrain potential and giving you the power of choice.

Features:

  • New Shadow design with optimized slant angle
  • Extremely low profile design to prevent rock strikes
  • Light shift effort, stiff, lightweight and responsive construction
  • Wide range adjustability improves true trail performance
  • Shadow Plus Chain stabilization with easy tension adjust prevents chain slap and improves drivetrain stability
  • Choose GS cage for 1x and 2x chainring applications. Choose SGS for triple chainring applications.
  • GS and SGS options
  • Compatible with Shimano Dyna-Sys 11 speed shifters only

GS Mid-Cage Specifications:

  • Total capacity: 37T
  • Max Cog: 42T
  • Max front difference: 10T
  • Gear range: 11-42T
  • Compatible chain: Shimano HG-901
  • Claimed weight: 221g

SGS Long-Cage Specifications:

  • Total capacity: 45T
  • Max Cog: 42T
  • Max front difference: 18T
  • Gear range: 11-42T
  • Compatible chain: Shimano HG-901
  • Claimed weight: 228g
5.0 / 5.0
42 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
40
2
0
0
0
Excellent Derailleur!!
Excellent Derailleur!!
This is the second one I have purchased. I'm running one with a 10-42 SRAM cassette & run the other on a different bike with an e.13, 9-44 cassette. I use the mid-cage (GS) length & they work flawless.
December 21, 2016
Purchased
9 months ago
Location:
Mesa, AZ
Best of the best
Changed from the XTR M970 into this mostly for greater range. I was really surprised to find out how crisp and precise the shifting felt right out of the box. Really easy to set up. I run this with AbsolutelyBlack Oval 32T chainring and 11-40 XT8000 cassette and gotta say, feels great! Highly recommended.

PROS: Easy To Install, Lightweight, Precise, 1x Compability
March 14, 2016
Location:
Helsinki, Finland
11 speed yay!!
Silly smooth shifting

Iv been on a 1x10 with a big 42t cog and the shifting was never great finally affordable 11speed

The new m9000 is great and I only had to pay 200$ more to get it over xt

Loving everything about it

PROS: Easy To Install, Attractive Design, Durable, Lightweight, Affordable, 11 Speed
July 24, 2015
Location:
Ventura ca
It's just perfect
it cost 1/3 of the xx1 rear derailleur and it's lighter.
the clutch works even better than the xx1.
the derailleur is less exposed than the sram, it's harder to hit it with something when you're riding.

PROS: Easy To Install, Cheaper Than The Xx1, Attractive Design, Lightweight, Durable

CONS: Non So Far
April 5, 2016
Location:
Santiago, Chile
Shifts great when new, but expensive and a bit fragile
I'm on my 3rd one of these mechs in a season. The sacrificial B-hinge piece is a pain because it's another link in the train of mis-alignment when things get whacked. You have to replace it AND the derailleur hanger when it gets bashed. Broke a jockey pulley yesterday when a stick got caught up. Luckily I have a scavenged spare from the one (derailleur no. 2) it just replaced.
January 3, 2017
Purchased
1 year ago
Location:
Austin, Texas
Worth every penny!
Very reliable. Highly recommended!!
Best prize and fast shipping @ jensonusa.com
Very easy to install on your bike.
No special tools require.
Shimano XTR
Shimano XTR
March 10, 2017
Purchased
6 months ago
Location:
San Diego
Smooth shifting and a great price! Another great product from Shimano!!
February 14, 2017
Purchased
7 months ago
Excelente Derailleur
Works really good, excelente product, as always Shimano doing good products. Also is very light
August 15, 2017
Purchased
1 year ago
Location:
Cali - Colombia
it's gooooooooood
Clean and snappy shifts. I have it set up with a 9-44t cassette and it seems good so far.
April 12, 2017
Purchased
5 months ago
Location:
Colorado
The xtr deraileur is exact and super light! Prefect to light bikes
July 1, 2017
Purchased
3 months ago
Location:
Montes Claros, mg Brazil

Q & A

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Browse 7 questions Browse 7 questions and 20 answers
Just to be sure. I can use the medium cage with a 32t front ring and a 11-42t rear cassette?
Matt on Apr 18, 2016
It states the max rear cassette cog is 42t, yet Shimano has their 11spd 11-46t cassettes in this same line, are they compatible with 46t or is there another offering from shimano which is?
Vilendank on Dec 26, 2016
Shimano XTR RD-M9000 11S Rear Derailleur
Shimano XTR RD-M9000 11S Rear Derailleur
Shimano XT CS-M8000 11 Speed Cassette
Shimano XT CS-M8000 11 Speed Cassette
Shimano XTR CS-M9001 11 Speed Cassette
Shimano XTR CS-M9001 11 Speed Cassette
BEST ANSWER: Hello - If you are running a single front chainring, then you can use the 46 tooth cassette with the GS (medium cage) derailleur. If you have 2 or more chainrings up front, you will need the SGS (long cage) rear derailleur.
Can you use with SRAM shifter?
Rich on Sep 24, 2016
BEST ANSWER: Might not shift as precisely as intended when brands are mismatched. Fine tuning of rear derailleur may be more difficult.
The Shimano 11 spd XT/XTR shifters are highly recommended, for near-flawless shifting.
How many teeth are the jockey wheels?
A shopper on May 22, 2017
BEST ANSWER: 11 teeth jokey wheels.
Will a medium cage work with a XT 11-46 and a 34t upfront?
Sak93 m on Feb 9, 2017
BEST ANSWER: Yes! It will. The long cage is designed to use double-chainring cranksets
Will this work with shimano st-rs505 shifter? Going 1 by on a gravel bike.
scotty on Jun 4, 2017
BEST ANSWER: No, it is not compatible as the cable pull ratios are different. You can adapt it using this Wolf Tooth product.
Wolf Tooth Tanpan Derailleur Converter
Wolf Tooth Tanpan Derailleur Converter
will this fit the GT Sensor Elite?
A shopper on Dec 24, 2016
BEST ANSWER: Yes it will fit. If you're going 1X the GS will work but if you're going 2X or 3X you'll probably want the SGS. The difference is the chain takeup capacity.

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.