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- microSHIFT | M21 Rear Derailleur | 6 and 7 Sp...
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Item #:
27828515
microSHIFT | M21 Rear Derailleur | 6 and 7 Speed | Long Cage | Black
Item #:
27828515
GBP 14
Price Details
Price
GBP 14
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
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In stock
Imported from USA store
QTY:
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Saturday, July 18
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Experience smooth and efficient shifting with our long leg shift, perfect for bikes with 2/3x6/7 speeds.
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What Stands Out
Versatile Compatibility
Designed for both 6 and 7-speed systems, the microSHIFT M21 rear derailleur ensures seamless integration with a variety of bike setups, catering to various rider preferences and gear needs.
Long Cage Design
Its long cage design allows for smooth shifting and better chain tension management, accommodating larger cassettes, and enhancing overall performance, especially on varied terrains.
Sleek Aesthetic
The stylish black finish not only provides a modern look but also adds durability and resistance against corrosion, making it a practical and attractive upgrade for any bicycle.
Product Details
| Package Weight | 1.27 Pound |
Who Should Buy?
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Casual Cyclists
Ideal for casual riders looking for a reliable and economical rear derailleur for their 6 or 7-speed bikes.
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Budget-Conscious Users
Perfect for those on a budget who need a functional and durable derailleur without breaking the bank.
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Mountain Bike Enthusiasts
Great for mountain bikers who prefer a long cage to handle rough terrain and provide smoother gear transitions.
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Competitive Cyclists
Not suitable for competitive riders who require high-performance components for optimized speed and efficiency.
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Advanced Gear Systems
Users with more gears (8-speed or higher) won't find this derailleur compatible with their systems.
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Frequent Off-Road Riders
May not withstand extreme conditions, as more robust models are better suited for intense off-road cycling.
Product Description
microSHIFT | M21 Rear Derailleur | 6 and 7 Speed | Long Cage | Black
About This Item
Introducing the microSHIFT M21 Rear Derailleur, the perfect addition to your bike's drivetrain for improved shifting performance. Designed for 6 and 7-speed systems, this long cage derailleur allows for a wide range of gear options, making it ideal for both casual riders and seasoned cyclists. With its long leg shift and maximum pinions of 32T, the microSHIFT M21 Rear Derailleur ensures smooth and precise gear changes, even when tackling steep climbs or fast descents. This derailleur is specifically designed to handle the demands of 2/3x6/7 speed drivetrains, providing reliable and consistent shifting performance on various terrains. Crafted with durability in mind, the microSHIFT M21 Rear Derailleur features a sleek and robust black finish that not only adds a touch of style to your bike but also enhances its overall performance.
Rest assured, this derailleur is built to withstand the rigors of everyday riding and deliver long-lasting performance. When it comes to purchasing the microSHIFT M21 Rear Derailleur, you can trust Ubuy to provide you with a seamless and convenient shopping experience. With just a few clicks, you can have this high-quality derailleur delivered straight to your doorstep, ready to be installed on your bike. Don't just take our word for it – read the rave reviews from satisfied customers who have already made the microSHIFT M21 Rear Derailleur a part of their cycling setup. See for yourself why this derailleur is highly recommended by cyclists worldwide. At Ubuy, we offer competitive pricing for the microSHIFT M21 Rear Derailleur, ensuring that you get the best value for your money.
With its top-notch specifications and features, this derailleur is worth every penny and will surely elevate your biking experience. Upgrade your bike's shifting performance with the microSHIFT M21 Rear Derailleur. Browse our online store today and make your purchase with confidence. Ride with precision and confidence knowing that you have the reliable microSHIFT M21 by your side.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the compatibility of the microSHIFT M21 Rear Derailleur?
Answer: The microSHIFT M21 Rear Derailleur is specifically designed for 6 and 7-speed gear systems. This makes it compatible with various bicycles that use these speed configurations, providing a smooth and reliable shift. Its long cage design allows for the accommodation of larger cassettes, making it ideal for a range of terrains, from city commuting to light trail riding. -
Question:
How do I install the microSHIFT M21 Rear Derailleur?
Answer: Installing the microSHIFT M21 Rear Derailleur is straightforward. You'll need to remove your old derailleur, attach the M21 to the rear dropouts, and connect it to the chain and shifter. Make sure to adjust the limit screws for proper shifting. Having a basic toolkit and a little mechanical knowledge will help ensure a successful installation, enhancing your bike's performance on varied trails. -
Question:
Is the microSHIFT M21 suitable for mountain biking?
Answer: Yes, the microSHIFT M21 Rear Derailleur is suitable for mountain biking, particularly on bikes with 6 or 7-speed setups. Its long cage design enhances its capability to handle larger sprockets, providing better chain tension over rough terrains. This feature improves shift accuracy and reduces the risk of chain drop during challenging rides. -
Question:
What materials are used in the construction of the microSHIFT M21?
Answer: The microSHIFT M21 Rear Derailleur features a robust construction primarily made from high-quality aluminum and reinforced plastics. This blend ensures durability without adding unnecessary weight, allowing for reliable performance in various riding conditions while maintaining the structural integrity needed for long-term use. -
Question:
Can I use the microSHIFT M21 with an 8-speed system?
Answer: The microSHIFT M21 Rear Derailleur is designed specifically for 6 and 7-speed systems. While it may technically work with an 8-speed system, it is not optimized for it, which could lead to poor shifting performance. For the best results, it's advisable to match the derailleur with the recommended speed configurations to ensure efficient gear shifting. -
Question:
How does the long cage design of the microSHIFT M21 benefit riders?
Answer: The long cage design of the microSHIFT M21 Rear Derailleur allows it to handle larger sprockets and wider gear range. This is particularly beneficial for riders who require more versatility when climbing hills or navigating varied terrains. It ensures that the chain remains under proper tension, improving shifting accuracy and providing a smoother ride experience. -
Question:
What maintenance does the microSHIFT M21 need?
Answer: Maintenance for the microSHIFT M21 Rear Derailleur is relatively minimal but important for optimal performance. Regularly inspect and clean the derailleur to remove dirt and debris, and check the alignment to ensure that shifts occur smoothly. Periodically lubricating the pivot points will also enhance performance, especially under harsh riding conditions. -
Question:
What tools will I need to adjust the microSHIFT M21 Rear Derailleur?
Answer: Adjusting the microSHIFT M21 Rear Derailleur typically requires a few basic tools: a Phillips screwdriver for limit screw adjustments, a 5mm Allen wrench for mounting, and possibly a chain tool for anything more involved. Having these tools on hand can help you make quick adjustments and maintain optimal shifting performance while on the go. -
Question:
Are there color options available for the microSHIFT M21?
Answer: The microSHIFT M21 Rear Derailleur is primarily available in a sleek black color. This neutral shade complements a variety of bike frames and styles, making it an appealing choice for riders looking to maintain an aesthetically pleasing look on their bicycle. Its classic design ensures it fits well with both modern and vintage bike appearances. -
Question:
Where can I buy microSHIFT | M21 Rear Derailleur | 6 and 7 Speed | Long Cage | Black in UK?
Answer: You can purchase the microSHIFT M21 Rear Derailleur in UK through Ubuy, which offers a convenient online shopping experience tailored to your needs. With a variety of product options available, Ubuy makes it easy to find the right components for your biking setup.
microSHIFT Rear Derailleurs Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
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“Not madly expensive like I thought, and much quicker than promised.”
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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GBP 14
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Saturday, July 18
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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