Shimano ZEE RD-M640 10-speed Shadow Plus Rear Derailleur - black/short / 11-36

Shimano ZEE RD-M640 10-speed Shadow Plus Rear Derailleur

Item number: 31979
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The ZEE RD-M640 rear derailleur by Shimano - Shadow+ for Gravity beginners


The Shimano ZEE RD-M640 is a 10-speed rear derailleur for freeride and downhill use, which is aimed more at gravity beginners than the Saint. Thanks to the groundbreaking Shadow+ technology with stabiliser, chain slap and chain drop are counteracted. The ZEE rear derailleur is available in two versions, one as DH version for a maximum number of teeth on the largest sprocket of 28 and one as FR version for 36 teeth.

Specifications:

Series:
ZEE M640
Application:
Enduro, Downhill
Gearing:
10-speed
Attachment:
standard (Direct Mount compatible)
Capacity:
25-tooth
Compatibility:
Shimano MTB / City & Touring 10-speed
Compatibility - Chains:
HG-X 10-speed

Technical Information:

Derailleur Pulleys:
11-tooth
Outer Cage Material:
Aluminium
Inner Cage Material:
Aluminium
Other Materials:
steel, stainless steel, aluminium

Compatibility:

MTB 10-speed:
Shifter:
SL-M7000-10, SL-M6000, SL-M4100, SL-M820, SL-M640, SL-M610
Cassette:
  • 11-36 T: CS-M771-10, CS-HG81-10, CS-HG50-10
  • 11-32, 11-34 T: CS-M771-10, CS-HG81-10, CS-HG500-10
  • 11-25, 12-28 T: CS-HG500-10
  • Road: CS-6700, CS-5700, CS-4600
Chain:
CN-HG95, CN-HG54

Features:

  • available in two gradation-specific versions 11-28 or 11-36
  • quieter drivetrain
  • rear derailleur stabiliser
  • lightweight and simple solution to prevent the chain dropping
  • less chain sag
  • 3 pivot bushings, fluorine-coated
  • painted cage plates

Technology:

Shadow RD+
Shadow Plus rear derailleurs are just as low-profile as Shimano's Shadow rear derailleurs. In addition, a stabilizer with on/off switch is used to reduce chain slap and thus counteract chain drop. At the same time, this results in a quieter drive. Weight is also saved compared to other chain restraint devices.

Models:

short / 11-28:
Cage Length:
SS
Max. Largest Sprocket Teeth:
28-tooth (= DH version)
Min. Largest Sprocket Teeth:
23-tooth
Max. Smallest Sprocket Teeth:
12-tooth
Min. Smallest Sprocket Teeth:
11-tooth
Max. Chainring Difference:
single
Total Capacity:
25-tooth
Manufacturer Number:
I-RDM640SSC

short / 11-36:
Cage Length:
SS
Max. Largest Sprocket Teeth:
36-tooth (= freeride version)
Min. Largest Sprocket Teeth:
23-tooth
Max. Smallest Sprocket Teeth:
12-tooth
Min. Smallest Sprocket Teeth:
11-tooth
Max. Chainring Difference:
single
Total Capacity:
25-tooth
Manufacturer Number:
I-RDM640SSW

Contents:

  • 1 x Shimano ZEE RD-M640 Shadow+ rear derailleur


Weight:

  • black/short / 11-36: 275 g
  • 100 day return period
  • Online since 1998

Models:

  • black/short / 11-28, out of stock – back in stock soon
    56.25€
  • black/short / 11-36, in stock
    56.25€

Customer Reviews (41)

4.9

Customer Reviews (41)

4.9/5.0
5
37
4
4
3
0
2
0
1
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Give us your opinion on this product.

by marius m. on 26.02.2017
verified purchase
item: black/short / 11-36
1 of 1 customers found this review helpful.

Great derailleur, very fast shipping. working perfect with a 9 speed cassette and a sram x7 9 speed shifter, but with a 1cm spacer, where you screw the cable on to the derailleur, to change the pull ration of the derailleur, to the one of the shifter.

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by Matej O. on 12.04.2016
verified purchase
item: black/short / 11-28

Best derailleur for its price that I've ever bought.

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by Patrizio A. on 12.01.2016
verified purchase
item: black/short / 11-36

Ottimo.
Usato un anno soprattutto in DH. Mai un cedimento, sempre precisissimo. Poi una roccia lo ha rotto.
Ne ricompro subito un altro.

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by Péter D. on 08.05.2015
verified purchase
item: black/short / 11-36

Cheaper variant of Saint. Good function and ok quality. MIne broke after only a few km-s but i ordered the same again. All derailleurs break if you get unlucky, rather this than someting that costs 3 times more. Good for everyday use, even racing.

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by Artem T. on 20.02.2015
verified purchase
item: black/short / 11-36
1 of 1 customers found this review helpful.

Best quality for value.

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by YELENA M. on 31.07.2014
verified purchase
item: black/short / 11-36

Highly recommend this derallieur. Had one on my hardtail, been using it for a year. When time had come to building new bike, I had no doubt about choosing RD. Best price/perfomance ratio so far.

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by Aurimas J. on 13.04.2014
verified purchase
item: black/short / 11-36

Robust, but solid, reliable performance on 1x10.

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by Boris H. on 29.03.2014
verified purchase
item: black/short / 11-36

cant go wrong with shimano drivetrain

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by Lola S. on 25.10.2013

Zero chain noise even on moderate size drops! Cheap, crisp shifting, looks good, a must have on 1x10 bikes!

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