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Shimano RD-M772 XT Shadow Rear Derailleur, GS

by Shimano
| 3 answered questions

List Price: $124.99
Price: $94.27 & FREE Shipping
You Save: $30.72 (25%)
Only 17 left in stock.
Ships from and sold by excelcycle.
  • Shimano America XT RD-M772 Shadow Rear Derailleur GS Top Normal, 9 Speed
17 new from $90.10

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Product Description

Shimano XT M772 Shadow Rear Derailleurs.
  • Mounts to derailleur hanger on frame
  • Low-Normal: uniform spring force moves derailleur to lower gear (larger cogs). Same shift operation for both left and right levers
  • Compatible with all Shimano 9-speed HG cassettes, 9-speed mountain shifters and 9-speed chains
  • Direct routing reduces the risk of snagging
  • Stronger return spring for more crisp shifting feeling
  • Bracket axle keeps the derailleur body from contacting the chainstay
  • Narrow profile
Item Specifications
ColorBlack/Silver
Weight245g
Intended UseMountain
Cassette SpacingShimano/SRAM 9
Shifter/Derailleur CompatibilityShimano
Largest Cog36teeth
Chain Wrap Capacity35teeth
Derailleur ActionTop-Normal (Traditional)
Cage LengthMedium

Product Details

  • Product Dimensions: 8 x 4.8 x 3.8 inches
  • Shipping Weight: 8 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: Imported
  • ASIN: B0012LZVAK
  • Item model number: IRDM772GS
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (15 customer reviews)
  • Amazon Best Sellers Rank: #166,402 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Customer Questions & Answers

Customer Reviews

4.5 out of 5 stars
5 star
10
4 star
4
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0
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1
See all 15 customer reviews
Shifts so smooth a crisp.
Jrstewart83
I am amazed at the difference this component has made.
S. Phelps
Works like it's supposed to.
ctmtb

Most Helpful Customer Reviews

8 of 8 people found the following review helpful By S. Phelps on March 29, 2008
Got this puppy to replace a stock Shimano Alivio and expected an improvemetnt in performance. What I got was nothing short of a miracle! Once I got this baby tweaked in on the cable adjustment it was on! When upshifing on inclines, I felt like I had an automatic transmission! I couldn't even feel the upshift. Even under full load out of the saddle this derailleur is outstanding. I am amazed at the difference this component has made. My bike feels like a $2000 package! Bravo Shimano!
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2 of 2 people found the following review helpful By ctmtb on September 1, 2012
Verified Purchase
Works like it's supposed to. Excellent value in a higher end derailleur. I don't think there is anything I would change about. If you want something lighter (and more fragile) than spend the cash for XTR.
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2 of 2 people found the following review helpful By MTMatt on August 12, 2011
Verified Purchase
I have used XT derailleur's for a lot of years. I bought a rapid rise XT and the pin that holds the spring in place kept moving and the spring would come apart. I returned it to a Canadian shop I bought it from and they were nice enough to replace it. It took the entire riding season to get the new one. Within 2 runs down the mountain it broke again. I tried to fix it and nothing worked. I finally cut my losses and through down the 90 bucks and bought the Shimano RD-M772 XT Shadow Rear Derailleur, GS it was totally worth it. I rode all week at Whistler in the mud and had no issues at all. It shifts so smooth and is easy to adjust. I would definitely recommend this product.
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4 of 5 people found the following review helpful By soccrfam on June 18, 2011
Verified Purchase
I got this derailleur and had it installed while still having the old shifters. I was disappointed until I finally got the XT quickfire shifters...and WOW! I was amazed at the difference. Very happy with the combination. Amazons prices were awesome, best I could find.
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1 of 1 people found the following review helpful By HitTheTrail on January 12, 2014
Verified Purchase
Installed on a 2008 Specialized Rockhopper Comp (replaced original Deore shifter)
I also installed the XT shifters to accompany the derailleur. I ride a lot of technical XC trails with the occasional races and this shifter preformed great. from 40 mile gravel rides to 55 mile enduro races.
I am fairly OCD and keep things clean since the drive train of a bike gets a lot of abuse.
No issues so far.
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2 of 3 people found the following review helpful By Gerald on April 15, 2013
I decided to convert to Shimano XT after I found out that SRAM does not have aftermarket parts available in the Philippines.

Price:
It set me back PhP3100 (US$75) when I bought it at a local bike shop.

Appearance:
The XT Rear Derailleur came in black/silver, it complements the color of my frame (black and white)

Installation:
I installed it myself. It came with an instruction manual, following the manual is easy. Routing the cable, setting up, and fine tuning the shifting is relatively easy. What I do not like about the XT is how you cut the cable termination. The end is cut relatively short, leaving only around 30mm.

Operation:
After fine-tuning, the XT shifts properly without misfiring. What I notice is the lag when shifting. Unlike SRAM X7 (1:1) crisp shifting, the Shimano XT (2:1) shifts with a noticeable delay.

The Verdict: XT costs relatively cheaper than the equivalent SRAM X9. With this in mind, plus the availability of aftermarket RD pulleys, made me shift to Shimano XT.
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2 of 3 people found the following review helpful By L. Clark on June 8, 2011
Verified Purchase
When it comes to mountain bike components you can't go wrong with Shimano especially when dealing with XT and XTR. They really take engineering great product to a whole new level... I love the way this Derailleur shifts underload and for this price you have to jump on it!!!
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By Chad Isbill on March 9, 2014
Verified Purchase
installing on all mountain hardtail. looks good high quality and very low profile compared to alivio i removed. hoping this takes care of shifting problems from tore up alivio
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