SKU: 50757411328

microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, Dropout Claw Hanger, Black

Sale price$14.48 Regular price$16.09
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, Dropout Claw Hanger, BlackM21 rear derailleurs are designed to work with 6 and 7 speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. Robust composite and steel construction Compatible with Shimano 6 and 7 speed mountain and road systems Product Specifics Rear Derailleur Mount Type: Dropout Claw Hanger Rear Der Shifter Compatibility: Shimano Mountain Cage Length: Long Drivetrain Speeds: 6 Drivetrain

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.
  • Robust composite and steel construction
  • Compatible with Shimano 6- and 7-speed mountain and road systems

Product Specifics

  • Rear Derailleur Mount Type: Dropout Claw Hanger
  • Rear Der/Shifter Compatibility: Shimano Mountain
  • Cage Length: Long
  • Drivetrain Speeds: 6
  • Drivetrain Speeds: 7
  • Weight: 316
  • Color: Black
  • Chain Wrap Capacity (teeth): 43
  • Largest Cog: 32



Today's Stock Status

10+ Available to ship in 2-4 Business Days





UPC: Not available
EAN: 4710495436357
Manufacturer Part Number: RD-M21LA
RD0211
167891-Q0-L

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50757411328

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4.3 ★★★★★
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𝐒ʰᵒʳᵗⁱᵉ𝐈ⁿ𝐏ʰⁱˡˡʸ꧂
Grantham, US
★★★★★ 5
3D shelf for me lol
Color: White, Size: 27.5"W x 6.5"D, 2Packs, Color: White, Size: 27.5"W x 6.5"D, 2Packs
Absolutely beautiful, very easy to mount, looks amazing, very sturdy
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Reviewed in the United States on May 8, 2026
K
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Kyle Nelson
Chelsea, US
★★★★★ 3
Cheap materials
Color: Oak, Size: 30"W x 6.5"D, 2Packs
These are pretty flimsy but for the price I think they will last until we get something sturdier.
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Reviewed in the United States on April 17, 2026
C
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Chalo
Battle Creek, US
★★★★★ 5
Prize and Delivery!
Color: Rustic Brown, Size: 24"W x 6.5"D, 2Packs
Beautiful and super easy to install!
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Reviewed in the United States on May 18, 2026
A
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Amazon Customer
Grantham, US
★★★★★ 5
Stylish storage that actually works
Size: 31.5 Inch, Color: Rustic Brown, Size: 31.5 Inch, Color: Rustic Brown
I love this shelving unit so much—it’s both functional and really attractive. We’re currently using it for Lego storage in our playroom, but it still feels elevated and blends nicely with the rest of the room’s decor. It’s a great balance of practical and stylish. The shelves offer plenty of space and the overall size is perfect. It’s also super sturdy, well-made, and was easy to put together. A great option if you need storage but don’t want to sacrifice the look of your space.
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Reviewed in the United States on May 5, 2026
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Amazon Customer
Omaha, US
★★★★★ 5
Great for creating open shelving rather than adding cabinetry
I purchased two of the 24 inch shelves to create a coffee nook in my kitchen. They are very high-quality, attractive, were easy to install, and are sturdy. These shelves are a great alternative to having to add cabinetry to store items.
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Reviewed in the United States on December 31, 2025

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