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microSHIFT

microSHIFT R9 RD-R43M rear derailleur, 9-speed, medium cage

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32.99 €
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Delivery method on Monday 27.07.2026
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Delivery method on Monday 27.07.2026
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4/5
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microSHIFT R9 RD-R43M Rear Derailleur

Thanks to its aluminum body, the R9 model ranks among lightweight derailleurs. Compatible with Shimano drivetrains.
Product details
Groupset microSHIFT R9
Gears 1x9, 2x9, 3x9
Cage type medium cage
Material body: aluminum, arm: steel
Capacity 39T
Max pinion size 30-34T
Weight 291 g
product ID 143464
Product rating  (6 ratings)
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mplavjanik mplavjanik • 4 March 2024 at 17:36
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A quality-looking derailleur at a super low price

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4 March 2024 at 17:36
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dzordzi dzordzi • 29 May 2023 at 8:58
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It works, so satisfaction

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29 May 2023 at 8:58
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mandylion mandylion • 22 october 2025 at 0:44
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A slight disappointment. The derailleur pulleys are unlubricated. The only way to lubricate them is to apply a drop of thin Vaseline or silicone oil to the axle, as the cage bolts are impossible to unscrew (I bent two Allen keys). Either the factory bolts are too tight/seized, or worse, the bolts are just imitation rivets. It all comes down to the same thing, because once the pulleys wear out, they won't be replaceable. Thoroughly cleaning them will also be a problem. But at the sale price, there's no need to be too picky. I wouldn't pay the standard list price, though. The solid aluminum body and strong spring are definitely a plus. Installed on a gravel bike instead of a crash-damaged Clarisa (8-speed), it works just as well, maybe even better.

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22 october 2025 at 0:44
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matusdurica535 matusdurica535 • 11 June 2026 at 13:40
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SK Prehadzovačka ktorá skrátka funguje. Nemám čo dodať.

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11 June 2026 at 13:40
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spyderman spyderman • 11 June 2023 at 15:00 edit
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The derailleur works in principle, and for systems of 7-8 gears basically without problems.
- from the beginning, the shifter has quite a big bull in his cap
- the pulleys are not lubricated, they run completely dry
- if you want to lubricate the rollers, you have to overcome the incredibly tight screws with thread sealant, while the screws are made of mud material = be careful of destroying the 3mm Allen hole

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11 June 2023 at 15:00 edit
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Monalisa Monalisa • 1 June 2025 at 15:34
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Very weak material.

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1 June 2025 at 15:34
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microSHIFT
MTB 7-8-9 speed microSHIFT
This Taiwanese brand mircoSHIFT has been making components since 1999. Even though they are not very popular on the bike market, their reputation in the cycling industry is excellent. They offer shifters, rear and front derailleurs and cassettes. Myna global manufacturers use their components.
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4,65/5 Second most popular brand
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