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Upgrade your cycling setup with the microSHIFT M21 Rear Derailleur - the perfect solution for versatile 6- and 7-speed mountain and road bikes. Crafted for durability and performance, this rear derailleur features a robust combination of composite and steel construction, ensuring reliable shifting in demanding riding conditions.
Designed with precision engineering, the M21 derailleur is compatible with 6- and 7-speed mountain and road shifters, making it a flexible choice for a wide range of bicycles. Its short cage design offers excellent chain wrap capacity of 39 teeth, enabling smooth gear transitions across a wide gear range. The derailleur's maximum cog size of 30 teeth allows you to dial in your optimal gear ratio for climbing or cruising.
Built with a dropout claw hanger mount, the M21 derailleur provides easy installation and compatibility with various dropout standards. Its sleek black finish adds a professional look to your bike while ensuring longevity and resistance to the elements.
Whether you're upgrading an existing bike or building a custom ride, the microSHIFT M21 Rear Derailleur delivers precise, dependable shifting for mountain biking, commuting, or recreational riding. Maximize your bike's performance with this affordable, high-quality component that combines innovative technology with durable materials for outstanding cycling experience.
| Item Specifications | |
|---|---|
| Largest Cog | 30 |
| Rear Der/Shifter Compatibility | Mountain |
| Rear Derailleur Mount Type | Dropout Claw Hanger |
| Drivetrain Speeds | 6 |
| Drivetrain Speeds | 7 |
| Chain Wrap Capacity (teeth) | 39 |
| Cage Length | Short |
| Color | Black |
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.