Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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For Your Every Summer RSVP, with Code: SUMMER15
Description
microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, 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: 10x1 Standard Rear Der Shifter Compatibility: Shimano Mountain Cage Length: Long Drivetrain Speeds: 6 Drivetrain Speeds: 7
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: 10x1 Standard
- Rear Der/Shifter Compatibility: Shimano Mountain
- Cage Length: Long
- Drivetrain Speeds: 6
- Drivetrain Speeds: 7
- Weight: 206
- 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: 4710495436340
Manufacturer Part Number: RD-M21L
RD0210
167890-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:
- 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
4.3 ★★★★★
Based on 320 reviews
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Product Reviews
★★★★★ 5
Fun sound book.
Format: Board book
I bought this for my house for my grandkids when they come over and this is their go to book. The sounds are very true to the animal sounds. And very minimal pushing as needed to make the noises.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2025
★★★★★ 5
This one year old loved this book
Format: Board book
delights toddlers!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
★★★★★ 5
Adorable and educational
Format: Board book
Such cute book! I ordered other from same company with different animals. Very educational for babies! My grandson loves them and he’s 8 months old. I buy him a different book on diff animals each month for his monthly birthdays. I have the Little Hedgehog for this month.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2020
★★★★★ 5
Cute book
Format: Board book
Bought as a gift, very cute book & love how colorful it is.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2025
★★★★★ 5
Sweet story
Format: Board book
I loved this hard bound book for our grandson who is in the tear it up stage of growth. Beautiful story.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
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