microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black | rear-bike-derailleurs
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microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black | rear-bike-derailleurs
M21 delivers responsive performance in an attainable package.
microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black | rear-bike-derailleurs
Nº de artículo: 27827974

microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black | rear-bike-derailleurs

86% of respondents would recommend this to a friend

Nº de artículo: 27827974

UYU 1076

Price Details

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M21 delivers responsive performance in an attainable package.
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What Stands Out

Super Short Cage
Designed with a super short cage, the microSHIFT M21 Rear Derailleur provides quick and precise shifting, making it ideal for tight spaces on your bike while ensuring a clean, sleek look.
Versatile Speed Range
Compatible with 6 and 7-speed systems, this derailleur offers versatility for various bike setups, catering to casual riders and enthusiasts alike seeking reliable performance.
Durable Design
Constructed from high-quality materials, the black finish not only enhances aesthetic appeal but also ensures longevity and resilience against the elements, perfect for everyday cycling adventures.

Detalles de producto

Shop for the microSHIFT M21 Rear Derailleur on Ubuy Uruguay. Wide range of 6 and 7 speed derailleur options. Available in super short cage and black color.
  • ROBUST composite and steel construction
  • Compatible with Shimano 6- and 7-speed mountain and road systems
  • M21 rear derailleur with super short cage
  • Delivers responsive performance
  • Innovative construction techniques used
  • Attainable package for quality performance
Brand NamemicroSHIFT
ManufacturermicroSHIFT
Global Trade Identification Number04710495436388
Manufacturer Part NumberRD-M21SS
Model NumberRD-M21SS
Included ComponentsRear Derailleur
Unit Count1.0 Count
Item Weight0.65 Pounds (290 grams)
Item Dimensions L x W x H12"L x 8"W x 2"H (30.5 x 20.3 x 5.1 cm)
ColorBlack
Material TypeMulti
Case Material TypeAluminum
Mount TypeBraze-On Mount
Number of Teeth32
BrandmicroSHIFT
MaterialMulti
Mounting TypeBraze-On Mount
Country of OriginThis item will be imported from US
Date First AvailableMarch 25, 2021

Who Should Buy?

Suitable For
  • Casual Cyclists

    Ideal for those biking in urban areas or recreationally, offering reliable shifting for everyday rides.

  • Beginner Riders

    An accessible option for novice cyclists looking to upgrade their bike's shifting system without complexity.

  • Budget-Conscious Users

    Great for riders seeking an affordable derailleur that still provides quality performance and functionality.

Not Suitable For
  • Advanced Cyclists

    Experienced riders may find this derailleur lacking in performance and features for competitive biking.

DESCRIPCIÓN DEL PRODUCTO

microSHIFT M21 Rear Derailleur - 6,7 Speed, Super Short Cage, Black | rear-bike-derailleurs

About This Item

Introducing the microSHIFT M21 Rear Derailleur - the ultimate upgrade for your bike's shifting performance. Whether you're a mountain biker or a road cyclist, this rear derailleur is designed to deliver precise and smooth gear transitions every time. Crafted with precision engineering, the microSHIFT M21 Rear Derailleur is compatible with both 6 and 7-speed drivetrains, making it a versatile choice for a wide range of bikes. It features a super short cage length, allowing for quicker and more responsive shifting, especially in tight and technical sections of the trail. The sleek black finish of the microSHIFT M21 Rear Derailleur not only adds a touch of style to your ride but also ensures durability against harsh weather conditions and trail debris.

This means that you can ride with confidence, knowing that your rear derailleur will withstand the toughest riding conditions. Installation is a breeze with the included installation guide, providing step-by-step instructions that even beginners can follow. Additionally, the microSHIFT M21 Rear Derailleur is designed for easy adjustment, so you can fine-tune your shifting performance to suit your riding style. Not only does this rear derailleur enhance your bike's performance, but it also weighs in at a feather-light weight, making it an excellent choice for riders looking to shed unnecessary grams and optimize their bike's overall weight. If you're in need of a replacement rear derailleur or looking to upgrade to a more reliable and precise shifting experience, the microSHIFT M21 Rear Derailleur is the perfect choice. Don't settle for anything less than the best - elevate your ride with microSHIFT. Note: Please ensure compatibility with your bike's drivetrain configuration before purchasing.

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Preguntas y respuestas de los clientes

  • Pregunta: What is the compatibility of the microSHIFT M21 Rear Derailleur?

    Respuesta: The microSHIFT M21 Rear Derailleur is compatible with 6 and 7-speed systems. This versatility makes it a great choice for various bikes that utilize these gear setups. It's ideal for mountain bikes, hybrid bikes, and even some road bikes where reliability and smooth shifting are essential. When considering a replacement, ensure that your bike is equipped with a compatible shifter to facilitate optimal performance.
  • Pregunta: How does the super short cage design benefit cycling performance?

    Respuesta: The super short cage design of the microSHIFT M21 Rear Derailleur minimizes the distance between the derailleur and the cassette, which results in more precise gear shifting. This design helps in reducing chain tension swings, thereby improving efficiency during rides. It's particularly beneficial for those who prioritize quick shifts in varied terrain or frequent gear changes in urban commuting scenarios.
  • Pregunta: What materials are used in the construction of the microSHIFT M21 Rear Derailleur?

    Respuesta: The microSHIFT M21 Rear Derailleur is constructed using high-quality materials designed for durability and performance. It features a robust aluminum body that withstands rough handling and harsh riding conditions. This durability makes it ideal for mountain biking or trail riding where components are often subjected to heavy impacts and stress. The strong build ensures you can rely on it for smooth and consistent shifts.
  • Pregunta: Can I adjust the tension on the microSHIFT M21 Rear Derailleur?

    Respuesta: Yes, the microSHIFT M21 Rear Derailleur allows for simple adjustments to its tension settings. This feature helps you fine-tune shifting performance according to personal preferences or specific bike configurations. Proper tension adjustment can enhance gear engagement and mitigate chain noise, making it an important step for cyclists who frequently adjust their bikes for different rides or terrain types.
  • Pregunta: What are the installation requirements for the microSHIFT M21 Rear Derailleur?

    Respuesta: Installing the microSHIFT M21 Rear Derailleur generally requires basic tools and mechanical knowledge. Users will typically need a 5mm Allen wrench to attach the derailleur to the derailleur hanger. It's essential to ensure that the derailleur is aligned correctly with the cassette and that the limit screws are properly adjusted to prevent chain derailment. This straightforward installation allows many cyclists to upgrade their gear setups without professional assistance.
  • Pregunta: Is the microSHIFT M21 Rear Derailleur suitable for mountain bikes?

    Respuesta: Absolutely! The microSHIFT M21 Rear Derailleur is designed to handle the demands of mountain biking well. Its durable construction and responsive shifting capability make it suitable for off-road conditions. Riders who frequently encounter varied terrains will find this derailleur enhances their riding experience, allowing for seamless gear shifts over steep inclines and technical descents.
  • Pregunta: Does the microSHIFT M21 Rear Derailleur come in different colors?

    Respuesta: The microSHIFT M21 Rear Derailleur is available in a sleek black color, which not only looks stylish but also blends well with most bike aesthetics. The neutral color allows for versatility in matching with different bike frames and components. If you're looking for aesthetic cohesion on your bike, the black option provides a universally appealing choice.
  • Pregunta: How does the microSHIFT M21 Rear Derailleur compare to other derailleur brands?

    Respuesta: The microSHIFT M21 Rear Derailleur offers comparable performance to other brands in the same category, providing reliable shifting at an excellent value. While other brands may have a more established reputation, microSHIFT stands out for its affordability and durability. For riders looking for a dependable component without breaking the bank, the M21 delivers solid performance, especially in urban commuting or recreational biking.
  • Pregunta: What maintenance is required for the microSHIFT M21 Rear Derailleur?

    Respuesta: Maintaining the microSHIFT M21 Rear Derailleur involves regular checks for dirt accumulation and ensuring smooth operation. Cleaning the derailleur and lubricating the pivot points will extend its life and functionality. Additionally, it's wise to monitor the alignment regularly, as impacts and usage can adjust settings over time. A well-maintained derailleur ensures optimal performance, especially for cyclists who ride frequently or in diverse conditions.
  • Pregunta: Where can I buy the microSHIFT M21 Rear Derailleur in Uruguay?

    Respuesta: You can conveniently buy the microSHIFT M21 Rear Derailleur at Ubuy. Ubuy offers an extensive selection of biking components, ensuring you can find the right rear derailleur that fits your biking needs. With Ubuy's reliable platform, you can enjoy a streamlined shopping experience while exploring other biking gear that may complement your purchase.

microSHIFT Rear Derailleurs RD-M21SS Editorial Review

The microSHIFT M21 Rear Derailleur has received positive customer feedback with reviewers claiming it is great value for money, works well and is easy to install. The derailleur is made mostly of steel, giving it a durable feel. The short cage design is ideal for bikes with smaller wheels and single chainrings. The derailleur shifts quickly and smoothly and is a good replacement for lower-end Shimano derailleur. The downside is that it does not have a clutch.

Customer Reviews & Ratings

1 valoraciones de los clientes
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ventajas

  • Great value for money
  • Easy to install
  • Durable feel
  • Short cage design ideal for smaller wheeled bikes with single chainrings
  • Shifts quickly and smoothly

Contras

  • No clutch

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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UYU 1076

Haz tu pedido ahora y recíbelo por ahí Sunday, Septiembre 27

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Fastest cross-border delivery

características y beneficios

  • Mountain and Trekking derailleurs starting with M21.
  • Same kinematics as expensive derailleurs and innovative construction.
  • Responsive performance in attainable package.
  • Robust composite and steel construction.
  • Works with Shimano 6- and 7-speed mountain and road systems.

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