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Shimano XT M781 Shadow Rear Derailleur

ITEM NUMBER: 104 SHIXR2
PRICE POINT:
$69.98
MSRP:
$90.00
 
SAVE 22%
 
PRODUCT DESCRIPTION

Shimano XT M781 Shadow Rear Derailleur

When Shimano released its "deer head" rear derailleur back in the early 80's, it revolutionized the cycling world by effectively creating the world's first mountain bike drivetrain. Ever since then, Deore XT has come to be known as the benchmark for MTB groups. In the 780 Series, the XT rear derailleur was improved and updated to work with 10-speeds (what Shimano calls "Dyna-Sys"). It also features a Shadow design, effectively giving the derailleur a lower profile to avoid contact with foreign obstacles. This particular model, the M781, is available in both medium (GS) and long (SGS) cage lengths, but does not have the friction clutch found on the Shadow Plus version.

  • Dyna-Sys specific cable-pull for (HG-X) 10-speed MTB compatibility
  • Direct mount frame compatible allowing easier removal of rear wheel
  • Top-Normal return spring optimized for RapidFire shifters
  • Wide link parallelogram design increases rigidity and performance
  • 4 fluoric coated link pivot bushings minimized friction
  • Aluminum construction with sealed bearing 11-tooth pulleys
  • Low profile design
  • Sealed bearing pulleys
  • XC and Trail rated
  • Weight: 232g
For riders who prefer more adjustment of chain tension, we also carry the Shadow Plus version, which is known as the M786.
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Great derailleur! - Apr 11, 2015

1 2 3 4 5
5 out of 5 stars
Chino Hills, CA

This came stock on my Giant XTC. It shifts very well, and is dependable.

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Fantastic derailleur - Aug 11, 2014

1 2 3 4 5
5 out of 5 stars
Winnipeg, MB

I purchased this derailleur in the spring, and have been abusing it on the road, trails, and in very rocky terrain. I've hit the derailleur multiple times on rocks and trees, to the point of breaking the hanger a month ago. With a new hanger put on, this derailleur still shifts as smooth and cleanly now as it did out of the box. I would recommend this to anyone in need of an affordable 10 speed derailleur.

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Great Shifting Shifts - Jul 23, 2014

1 2 3 4 5
5 out of 5 stars
santa fe, NM

Been using the Shadow m781 XT rear der for the last 6 months and I love it. Quick precise shifts. I have x9 on my other bike and I like the feel of the XT better. It feels smoother and seems to shift faster. And FYI, the other review was wrong about the clutch. There is no clutch on the m781.

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Good shifts, not for abusive riders - Nov 04, 2013

1 2 3
3 out of 5 stars
Hesperia, CA

I used one of these for 4 months. It is now in two pieces. It worked very well for about 2 months, and the Dyna-Sys clutch does work well. It does not work well on cassettes larger than 32 tooth, despite what shimano says. It quickly developed a lot of slop at every pivot, and the pulleys wore to their own unique shape. The cage is so thin, it will snap eventually if you ride hard. If you just xc ride, it is a solid unit. Don't put it on an all-mountain bike. Also, the cable guide rubs the cable on metal, so keep extra cables in your pack if you own this one. The older XT (9speed and earlier) are much better quality. Editor's Note: The M781 XT rear derailleur does not have the Shadow Plus clutch system mentioned in this customers review.

1 out of 2 people found this review helpful
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