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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
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Description
Zee RD-M640Shadow Plus RD Min cog: 11 Max cog: 28(DH) 36(Freeride) For single ring set up Total capacity: 25 Shimano Dyna Sys 10 speed transmission Attributes Cage SS Maximum Cog 28 36T Minimum Cog 11T Primary Color Black RD Capacity 25T RD Spring Type Shadow Plus RD Weight 268g Speed 10
- Shadow Plus RD
- Min cog: 11
- Max cog: 28(DH)/36(Freeride)
- For single ring set-up
- Total capacity: 25
- Shimano Dyna-Sys 10 speed transmission
Attributes
| Cage | SS |
| Maximum Cog | 28/36T |
| Minimum Cog | 11T |
| Primary Color | Black |
| RD Capacity | 25T |
| RD Spring Type | Shadow Plus |
| RD Weight | 268g |
| Speed | 10 |
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 30 reviews
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Product Reviews
★★★★★ 5
Good bang for your buck, great quality.
Works great. Most of it is metal and works as a heat sink. Came with two fuses and the adapters for smaller or larger Guage wires. Fit very well and easily for our choice of installation and was a great price.
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Reviewed in the United States on May 8, 2025
★★★★★ 5
Good for under the hood
Pretty good heavy duty block. It's got the rubber grommets for the smaller wire if needed.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Easy install
Excellent easy install
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Reviewed in the United States on February 11, 2026
★★★★★ 5
These are best quality ones ever had since I did been doing car audio
Great quality and durability
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Well worth it
Very sturdy and well built.
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Reviewed in the United States on May 23, 2026