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Shimano SHIMANO XT Shadow Rear Derailleur (RD-M772)



SHIMANO XT Shadow Rear Derailleur (RD-M772) - As Mountain Bikes continue to become more diverse, components must evolve - Deore XT addresses the needs of today’s riders just like it did when it was first introduced back in 1982 as the world’s first MTB group. Revolutionary new designs complement the latest evolution of traditional designs to give you the right choice for your riding style.

SHIMANO SHADOW RD: Low profile design intended to give more clearance when negotiating narrow terrain, for more aggressive riding.

  • Quiet: will not contact chain stay.
  • Super low profile design carries many benefits.
  • Because of its low profile and single tension construction = no hitting chain stay in rough conditions.
  • The result is smooth and silent performance.

The Shimano XT RD-M772 Shadow rear derailleur will work seemlessly with all Shimano LX, XT and XTR components. Narrow Hyper Glide design delivers consistent shifting on 9-speed cassettes.


  • Low profile for improved durability
  • Low profile design saves RD from damage in a narrow passage.
  • Direct route cabling reduces the risk of snagging.
  • Stronger return spring for more crisp shifting feeling
  • Capacity : SGS 45T
Model Number RD-M772 SGS & GS
Shifting Action Top Normal
Mount Type Drop-out
Maximum Sprocket 34T
Minimum Sprocket 11T
Front Difference 22T maximum
Total Capacity SGS: 45T / GS: 33T
Guide Pulley Sealed ceramic bushing
Tension Pulley Sealed bearing
Pulley Bolts Stainless steel
Bracket Body Aluminum/painted
Bracket Pivot Seal Single O-ring
PlateBody Aluminum/painted
Plate Pivot Bolt Steel
Plate Pivot Seal Single O-ring
Outer Link Aluminium/painted
Inner Link Aluminium/painted
Link Pin Bushings Fluorine coated (4)
Outer Plate Aluminium/anodized
Inner Plate Aluminium/anodized
Average Weight 225g

Cage length:

  • SGS/Long cage: 100mm
  • GS/Medium cage: 87mm

Please note:

  • Top Normal is the standard type for derailleur action and is compatible with all 9 speed Shimano shifters & components.
  • The chain will rest in the smallest cassette sprocket when the gear cable is not under tension.
Payment Details

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Simply Checkout, and then make a deposit, with your order number as a reference.


New Zealand customers can also pay for purchases by means of Cheque payments.

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SHIMANO XT Shadow Rear Derailleur (RD-M772) 4.7 5 3 3
XT Shadow Cages I replaced my ancient LX RD after I broke it with the XT Shadow. I went for the long cage version which is 100mm pin to pin on the jockey wheels compared with the 87mm on my old LX. I am using my LX shifter as well, I haven't noticed a huge difference in shifting because the rest of the drive train is worn out. Certainly a nice piece of gear though. 2 December 2009
SHIMANO XT Rear Derailleur (RD-M772) I have fitted this gear on my bike and working pretty well so far. I would recommended anyone that wants to upgrade their bike gears then this is the one to pick. 1 October 2009
XT Shadow rocks Super smooth, easy install and outperforms my previous XT with a stiffer spring and better use of space. The cable butt is hidden away from catching loose gear and my entire rear hub is now the same width as my frame. No protrusion means I can forget about allowing space in the tight turns or cut-off log passes, even on the smallest cog it is level with the frame. I run it with an LX Shifter and it works great. Recommend this to anyone wanting to get faster shifts, I didn't even have to tune it! 2 September 2009
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Questions & Answers
Shipping & Delivery Details

Currently, all New Zealand orders are shipped through CourierPost.
Track n Trace details are emailed to you when we dispatch your order.
Shipping Times: 1-2 Business Days (Bulky items 3 Days)

Shipping Cost

Shipping Category Price
Order Total up to $50 $7.50 (NZD)
Order Total over $50 $10 (NZD)
Mini Bulk $10 (NZD)
Mini Bulk 2 $20 (NZD)
Mini Bulk 4 $35 (NZD)
Bikes/Bulky $50 (NZD)
Oversize $100 (NZD)
Local Hamilton $2.75 (NZD)

Shipping will be calculated on your order, in your selected currency, when you proceed through to the checkout and fill in your shipping details.

Here are some of the common products that fall into these Shipping Categories. Please note this is just a rough guide and some products may stray outside of these categories.

Mini Bulk - $10.00 (NZD)
Bike Wheelsets under $500, Wind and Roller Trainers, Workstands, Snowboards, Skis, Wakeboards, Wakeskates, Bike Tow Bar Racks.

Mini Bulk 2 - $20.00 (NZD)
Bike Frames under $1000, Bike Wheelsets over $500, Bike Bags (Soft), Bike Tow Bar Channel Racks, Snowboard Packages, Inflatable Kayaks under $1000, Moto Wheelsets, 3x3 Folding Tents, Mid-size Tents.

Mini Bulk 4 - $35.00 (NZD)
BMX Bikes, Bike Frames over $1000, Surfboards under $500, Inflatable SUP Boards, Inflatable Kayaks over $1000, Large Tents, Exercise Bikes, Rowing Machines under $500.

Bikes/Bulky - $50.00 (NZD)
Mountain and Road Bikes, Bike Cases (Hard), Surfboards over $500, Non-inflatable SUP Boards, Non-inflatable Kayaks, Large Canvas Tents, Treadmills, Spin Bikes, Cross Trainers, Rowing Machines over $500, Home Gyms, Trampolines.

Oversize - $100.00 (NZD)
Motorcycle Lift Tables.

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