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microSHIFT

microSHIFT M21 RD-M21LA rear derailleur, 6/7-speed, with a bracket

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12.99 €
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Delivery method on Tuesday 09.06.2026
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Delivery method on Wednesday 10.06.2026
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Rating (11)
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4,6/5
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microSHIFT M21 RD-M21LA derailleur

microShift M21 is the basic range of mountain derailleurs.
Product features
The kinematics of this series work like more expensive derailleurs from the microShift brand
Delivers easy and precise shifting in an accessible package
Compatible with Shimano drives.
Product details
Groupset Other
Gears 1x7, 2x7, 3x7, 3x6, 1x6
Cage long cage
Capacity 43T
Body material steel / composite
Mounting type hook
product ID 143465
Product rating  (11 ratings)
4,6/5
(11 ratings)
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Othello Othello • 16 May 2024 at 9:37
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A simple but accurate derailleur if you don't have a bike with a mount or a foot for the derailleur. I recommend combining it with the MS TS39-7R shifter.

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16 May 2024 at 9:37
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gilany gilany • 28 February 2026 at 21:47
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SK Skvelé na cestu a nenáročný terén

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28 February 2026 at 21:47
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kyky kyky • 2 november 2023 at 13:23
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He treads well. It adjusts well.

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2 november 2023 at 13:23
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dano_ dano_ • 20 september 2024 at 21:36
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SK Pekne to funguje

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20 september 2024 at 21:36
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GaliPet GaliPet • 17 February 2025 at 10:28
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SK Cena /výkon je dobrá. Na môj "krčmový" bicykel akurát.

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17 February 2025 at 10:28
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CrazyMonkey CrazyMonkey • 2 June 2024 at 20:47
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shifting is stiff, don't expect smooth operation

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2 June 2024 at 20:47
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birokarol77 birokarol77 • 13 April 2026 at 11:33
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13 April 2026 at 11:33
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jankokopis jankokopis • 13 April 2026 at 10:41
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13 April 2026 at 10:41
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sawa sawa • 24 July 2025 at 20:30
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24 July 2025 at 20:30
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Miki20 Miki20 • 18 July 2025 at 10:49
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18 July 2025 at 10:49
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majozitnansky majozitnansky • 26 august 2025 at 20:00
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26 august 2025 at 20:00
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Product questions
Othello Othello • 30 April 2024 at 15:24
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SK Da sa pouzit stoto prehadzovackou Shimano 7 kolo s Megarange?
https://www.mtbiker.sk/shop/komponenty/kazety-a-pastorky/mtb-7-8-9-rychlostne/shimano-mf-tz510-viackoliecko-7-kolo-14-34t-mega-range-p111914.html

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30 April 2024 at 15:24
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gronkjear gronkjear Customer support • 30 April 2024 at 21:54 •replyOthello
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SK Dobry den,

zial podla specifikacie vyrobcu nie je prehadzovacka kompatibilna s 34T pastorkami.

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30 April 2024 at 21:54
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Othello Othello • 30 April 2024 at 23:26 •replygronkjear
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SK V tom pripaade prosim upravte info o kapacite poctu zubov v popise produktu. Dakujem

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30 April 2024 at 23:26
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gronkjear gronkjear Customer support • 2 May 2024 at 9:50 •replyOthello
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SK Dobry den,

udaj o kapacite ramienka je spravny - kapacita ramienka nehovori o max. velkosti pastorku.

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2 May 2024 at 9:50
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Othello Othello • 2 May 2024 at 13:21 •replygronkjear
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SK Prosim teda o vysvetlenie co znamena udaj kapacita ramienka 43T, viem ze je to skor na Forum, ale ak mate cas....

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2 May 2024 at 13:21
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gronkjear gronkjear Customer support • 2 May 2024 at 13:45 edit •replyOthello
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SK Standardne sa kapacita ramienka rata ako (najvacsi pastorok - najmensi pastorok) + (najvacsi prevodnik - najmensi prevodnik na klukach).

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2 May 2024 at 13:45 edit
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GaliPet GaliPet • 17 February 2026 at 7:48 •replyOthello
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SK Funguje to s max 32 kolieskom.

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17 February 2026 at 7:48
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Matej1985 Matej1985 • 23 April 2024 at 18:24
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SK Dobrý den, prosím ,ktoré radiace páčky su s týmto kompatibilné?

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23 April 2024 at 18:24
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gronkjear gronkjear Customer support • 24 April 2024 at 12:53 •replyMatej1985
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SK Dobry den,

potrebujete 6- alebo 7-rychlostne radenie?

Zo 6-rychlostnych modelov bude sediet napr.: https://www.mtbiker.sk/shop/komponenty/radenie/mtb-7-8-9-rychlostne/shimano-tourney-rv200-revoshift-6sp-otocne-radenie-prave-cierne-p164186.html#description; zo 7-rychlostnych potom napr.: https://www.mtbiker.sk/shop/komponenty/radenie/mtb-7-8-9-rychlostne/shimano-altus-sl-m315-radenie-prave-7-rychl-s-ukazovatelom-p105145.html alebo https://www.mtbiker.sk/shop/komponenty/radenie/mtb-7-8-9-rychlostne/microshift-ts39-7r-radenie-7-rychl-prave-s-ukazovatelom-p143476.html.

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24 April 2024 at 12:53
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birokarol77 birokarol77 • 16 February 2026 at 19:44
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SK Ahoj, dá sa použiť na favorit na štvorkolečko?

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16 February 2026 at 19:44
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GaliPet GaliPet • 17 February 2026 at 7:46 •replybirokarol77
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SK Áno, dá sa. Treba však dobre nastaviť dorazy. Používam takto už zo tri roky.

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17 February 2026 at 7:46
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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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