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Shimano XTR Shadow Deraileur Derailleur
Product DescriptionThe Shimano XTR RD-M972 'Shadow' specific rear derailleur features a lower profile body with direct cable routing, stronger spring, and redesigned bracket to avoid chainstay contact. It also has a wide link parallelogram design which allows for more rigidity and more precise shifting. It features:
o 33T (GS Medium Cage) o 45T (SGS Long Cage) o 180 grams (GS Medium Cage) o 185 grams (SGS Long Cage)
User Reviews
Submitted by
Jeremy Date Reviewed: April 4, 2013 Strengths: looks cool; shifts well when dialed in Weaknesses: many; expensive for little benefit over cheaper options; cost prohibitive to repair Bottom Line:
Submitted by
mathieu asselin Date Reviewed: May 10, 2012 Strengths: Looks cool Weaknesses: Useless Breaks esaily Bottom Line: 
Submitted by
Taco188
a Cross Country Rider
from Albuquerque, NM. Date Reviewed: December 10, 2011 Strengths: Crisp shifts, Light weight, Strong for intended use Weaknesses: None Bottom Line: Expand full review >>Favorite Trail: Dragons Back Duration Product Used: 1 Year Price Paid: $160.00 Purchased At: Jenson USA Bike Setup: specialized epic s-works full XTR drive train
Submitted by
ineffable
a Weekend Warrior
from Connecticut Date Reviewed: September 3, 2011 Strengths: Light and shifts well with Shimano trigger shifters. Weaknesses: The derailleur is too flimsy for any serious mountain biking. The pivot arm is weaker than the derailleur hanger it attaches to; I had one bend without any impact (i.e., just due to load), sending the cage into the spokes. The carbon fiber cage is similarly underdesigned. Mine snapped below the bottom pulley when cleanly landing a small jump. Given that the derailleur did not hit anything during the jump--in fact, it had never been hit (the bike was new)--this is inexcusable. Bottom Line: Expand full review >>Duration Product Used: Less than 1 month Purchased At: Came on bike Similar Products Used: SRAM X.9, Shimano XTR Bike Setup: Specialized Stumpjumper FSR Elite 
Submitted by
ryguy135
a Racer
from Derby, Ks Date Reviewed: May 13, 2011 Strengths: Effortless shifts, 450 miles and only one minor adjustment needed due to cable stretch Weaknesses: None. Get this derailleur! Bottom Line: Expand full review >>Favorite Trail: Thunderbird State park OK Duration Product Used: 3 months Price Paid: $200.00 Purchased At: Build Kit Similar Products Used: Older XTR, Bike Setup: 2008 Orbea Alma 29er 
Submitted by
Arider
a Cross Country Rider
from Reno, NV, USA Date Reviewed: December 14, 2010 Strengths: Light weight. Reliable. Best shifting deraileur I've used. Weaknesses: Still falls somewhat short of totally seamless shifting - difficult to 'get it right' in all 3 chainrings with all nine cogs. Bottom Line: Expand full review >>Favorite Trail: Most trails are favorites Duration Product Used: 1 Year Purchased At: Great Basin Bicycles Similar Products Used: Other Shimano products Bike Setup: Pretty stock Cannondale Carbon Rush. Replaced original chain with KMC X9SL Superlight.
Submitted by
matsgone
a Cross Country Rider
from quebec, canada Date Reviewed: September 9, 2010 Strengths: Well..... Weaknesses: Broke the cage on the first ride, WITHOUT hitting anything.....its a real joke!!! Bottom Line: Expand full review >>Favorite Trail: Kingdom Trail Duration Product Used: Less than 1 month Purchased At: Cycle Neron Bike Setup: Rocky mountain altitude 90 RSL
Submitted by
Dave
a Cross Country Rider
from Pittsburgh, PA, USA Date Reviewed: August 4, 2010 Strengths: None So Far Weaknesses: Came on bike, snapped carbon cage on first ride, replaced it at cost because I worked in a shop and it really doesn't shift well. Either shifts well in higher or lower gears, but not both. Bottom Line: Expand full review >>Favorite Trail: Moraine Duration Product Used: 3 months Price Paid: $160.00 Purchased At: QBP Similar Products Used: XT for 15 years Bike Setup: Cannondale Flash 29er 1
Submitted by
enu9
a Racer
from west palm beach, florida, usa Date Reviewed: March 1, 2010 Strengths: looks cool Weaknesses: isnt stable at all Bottom Line: Expand full review >>Favorite Trail: santos Duration Product Used: 2 Years Price Paid: $200.00 Similar Products Used: xt sram xo Bike Setup: lynskey pro29er
Submitted by
ashka1000
a Downhiller
from brisbane, qld,australia Date Reviewed: September 30, 2009 Strengths: good all round, quick shifts, design keeps the derailler well away from trouble (better than standard anyway)light yet strong (not flimsy). Looks great also (for the show ponies).Great cable feed stop you from having a massive loop of cable flapping in the breeze. Weaknesses: none yet haven't had any problems with it yet Bottom Line: Expand full review >>Duration Product Used: 1 Year Price Paid: $220.00 Purchased At: tbsm.com.au Similar Products Used: ox, older model xtr.
Submitted by
junglist_matty
a Weekend Warrior
from Cambridge, UK Date Reviewed: September 18, 2009 Strengths: Light Weaknesses: Very Weak, Easy to brake Bottom Line: Expand full review >>Favorite Trail: Afan, Wales Duration Product Used: 1 Year Price Paid: $200.00 Purchased At: Rutland Similar Products Used: XT Shadow Bike Setup: Kona Dawg Supreme 2008 
Submitted by
ASherby
a Cross Country Rider
from SLO, CA, USA Date Reviewed: August 21, 2009 Strengths: Smooth Shift, quick response, low profile Weaknesses: Cage is super delicate, replacement parts are extremely pricey Bottom Line: Expand full review >>Favorite Trail: Dry Pond Duration Product Used: Less than 1 month Purchased At: Came w/ Bike Bike Setup: '09 Stumpjumper Elite
Submitted by
Pilot
a Cross Country Rider
from Chatsworth, CA Date Reviewed: August 17, 2009 Strengths: Light, low profile Weaknesses: Flawed design Bottom Line: Expand full review >>Favorite Trail: Rocky Peak trails Duration Product Used: 3 months Purchased At: Chain Reaction Similar Products Used: 950 series XTR, SRAM X.0 Bike Setup: Titus Racer-X
Submitted by
midmountain
a Weekend Warrior Date Reviewed: July 3, 2009 Strengths: looks cool Weaknesses: carbon cage broke during rough climb causing the chain pull the derailleur around the spocket, thereby twisting the derailleur on the hanger enough so that it can't be used. Shimano's engineers need to get out and test ride their designs so that we don't have to do it form them. Oh... I almost forgot... that little "bridging" pin designed to keep the carbon separated... well it clogs with mud which also resulted in a broken hanger. Sad shimano, really sad. Bottom Line: Expand full review >>Favorite Trail: United States Duration Product Used: 6 months Purchased At: LBS - came with bike Similar Products Used: 25 years of riding so pretty much everything. Bike Setup: 2009 Yeti 575 with the works.
Submitted by
Mr Cooper
a Racer
from fernie Date Reviewed: June 10, 2009 Strengths: line. beautiful. work of art. Weaknesses: design problem - chain falls off upper shifter wheel Bottom Line: Expand full review >>Favorite Trail: hedonism Duration Product Used: 3 months Purchased At: straightline Similar Products Used: sram xo Bike Setup: trance xo
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