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microSHIFT

microSHIFT R10 RD-R51M rear derailleur, 10-speed, medium cage

43.99 €
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4,9/5
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microSHIFT R10 RD-R51M derailleur

The R10 rear derailleurs have a forged and CNC-machined construction that combines durability with the quality of the finish. Compatibility with Shimano road products means you can mix and match them to your heart's content.
Product details
Groupset microSHIFT R10
Gears 1x10, 2x10, 3x10
Control type mechanical
Max pinion size 30-34T
Cage medium cage
Capacity 39T
Material body: aluminum, arm: steel
Weight 220 g
product ID 199609
Product rating  (10 ratings)
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jurajsaf jurajsaf • 14 March 2023 at 10:38
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Used for a winter bike. Nice simple design for me. The shift tuning on the stand is not quite as perfect as on the Ultegra, DA, but it works reliably when riding. Suitable for 10-speed older gears or Tiagra 4600. I use it in combination with DA 7800 because of the GS strap. The pulleys turn more easily than Shimano, the quality is a question. I weighed the switch out of interest, the weight corresponded to the manufacturer's data. The price-performance ratio seems to be more than good. We'll see how long it lasts. Satisfaction for now.

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14 March 2023 at 10:38
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yelidric yelidric • 3 April 2024 at 9:00
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I was a bit worried, because I have no experience with microshift, but to be honest, I didn't really notice any difference compared to the shimano I had. Anyway, it depends on how well you can set the derailleur, which I'm still learning but I definitely recommend this derailleur.

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3 April 2024 at 9:00
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przemeklebida przemeklebida • 3 october 2025 at 8:15
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I bought this derailleur for a friend, for Ultegra 6700 shifters, a 10-speed system, and an 11-32 cassette. It works flawlessly. I recommend it.

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3 october 2025 at 8:15
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palenikmilan palenikmilan • 25 July 2024 at 21:05
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I needed a shifter for Ultegra 6600 shifters. Works great. I have an 11-32 cartridge there, the shifter can also handle an 11-34 cartridge.

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25 July 2024 at 21:05
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RemusRaider RemusRaider • 17 April 2025 at 14:47
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Quite light and durable at the same time.

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17 April 2025 at 14:47
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dafidsch dafidsch • 11 october 2024 at 9:08
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Great derailleur for gravel and works great.

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11 october 2024 at 9:08
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penlevi penlevi • 10 February 2024 at 16:52
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It works very well for me

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10 February 2024 at 16:52
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ths92 ths92 • 23 May 2023 at 17:16
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It works very well.

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23 May 2023 at 17:16
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jege jege • 11 March 2025 at 9:48
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With microShift Centos 2x10 shifting, it works OK...

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11 March 2025 at 9:48
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psxav1054 psxav1054 • 6 May 2026 at 11:48
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6 May 2026 at 11:48
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Product questions
ths92 ths92 • 5 May 2023 at 10:21 edit
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Will this derailleur work in the 52-36 front setup and the microSHIFT XLE H-SERIES CS-H100 in the 11-32z version in the back? According to my calculations, such a setup has a capacity of 37 z, so I think it could work.

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5 May 2023 at 10:21 edit
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gronkjear gronkjear Customer support • 5 May 2023 at 15:16 •replyths92
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SK Dobry den,

ano, kapacitne to bude v poriadku, prehadzovac je na takyto setup vhodny

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5 May 2023 at 15:16
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macendy macendy • 7 June 2024 at 22:29
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Good day.

Would this derailleur be available with a short strap?

Do I understand correctly that microSHIFT CENTOS SB-R502E should be compatible with this derailleur?

Well thank you.

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7 June 2024 at 22:29
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gronkjear gronkjear Customer support • 8 June 2024 at 10:00 •replymacendy
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SK Dobry den prajem,

zial nie, tento prehadzovac s Centos pakami nebude fungovat optimalne - k Centos pakam potrebujete aj Centos R55S prehadzovac, zial aktualne u nas nedostupny. Mozne je vsak s Centos pakami pouzit alternativu od Shimana, prehadzovac R4700 - https://www.mtbiker.sk/shop/komponenty/prehadzovacky/cestne/shimano-tiagra-rd-4700-prehadzovacka-10-kolo-kratke-ramienko-ss-p12772.html.

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8 June 2024 at 10:00
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macendy macendy • 8 June 2024 at 11:03 •replygronkjear
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SK Takze neplati ze CENTOS SB-R502E je pre Tiagru 4600 a CENTOS SB-R502B pre Tiagru 4700?

Urcite nechcem Shimano radenie kvoli pohybu pak do stran a podla moznosti sa chcem vyhnut aj ostatnym komponentom od Shimana.

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8 June 2024 at 11:03
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gronkjear gronkjear Customer support • 8 June 2024 at 12:01 •replymacendy
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SK Och, pravdu mate - uz som sledoval len specifikaciu aktualnych Centos pak (SB-R502B), u nas dostupne dopredajove SB-R502E su kompatibilne so starsimi pomermi tahu lanka, t.j. aj na zmienovanu prehadzovacku budu sediet. Mate pozorne oko, ospravedlnujem sa

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8 June 2024 at 12:01
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macendy macendy • 8 June 2024 at 13:22 •replygronkjear
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SK Nic sa nedeje, chcel som si to pre istotu overit. Dakujem, vyriesili ste mi problem 🙂

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8 June 2024 at 13:22
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vladojakub vladojakub • 22 March 2026 at 6:54
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Good day. Is this derailleur an adequate replacement for the shimano tiagra RD4601? Is it fully compatible? Does it work exactly with the tiagra 4601 lever? Thank you

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22 March 2026 at 6:54
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dafidsch dafidsch • 23 March 2026 at 9:37 •replyvladojakub
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SK Áno, malo by všetko spolu fungovať bez problémov.

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23 March 2026 at 9:37
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bikerroman bikerroman • 2 April 2025 at 10:19
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Hello,
Will this derailleur be compatible with a Campagnollo Xenon 2x10 road drivetrain if it also has a CMP cassette and chain?

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2 April 2025 at 10:19
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gronkjear gronkjear Customer support • 2 April 2025 at 14:37 •replybikerroman
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SK Ahoj,

plati co som Ti napisal pod Tvojou druhou otazkou - vyladenie moze byt problematicke, Campa pre 100% spolahlivost jedine s Campou

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2 April 2025 at 14:37
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penlevi penlevi • 3 september 2023 at 14:53
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Is the derailleur compatible with the ST 4600?
Well thank you.

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3 september 2023 at 14:53
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gronkjear gronkjear Customer support • 5 september 2023 at 14:05 •replypenlevi
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SK Dobry den prajem,

ano, prehadzovacka bude s danym radenim kompatibilna - nefungovala by jedine s novsimi pakami 4700.

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5 september 2023 at 14:05
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Balky515 Balky515 • 7 April 2026 at 20:56 edit
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Will it work with SHIMANO 105 ST 5700 steering?
Thank you

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7 April 2026 at 20:56 edit
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gronkjear gronkjear Customer support • 9 April 2026 at 20:31 •replyBalky515
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SK Dobrý deň, áno, prehadzovačku bude fungovať.

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9 April 2026 at 20:31
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microSHIFT
Road 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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