Best in 7 days
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Shipping Estimate
USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed - Short Cage - Close Ratio DHShimano ZEE RD M640 SS Rear Derailleur 10 Speed Short Cage Gray With Clutch Close Ratio For DH. Shimano ZEE RD M640 Rear DerailleursShimanos stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise TECH SPECS Largest Cog 28 Color Gray Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 10 Weight 250 Chain Wrap Capacity
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1430 reviews
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Product Reviews
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Great quality.
Size: Large, Color: (001) Black / Black / White
Thickness and comfort are great. Quality is great and the same I would expect if I bought at the branded storefront.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Great product.
Size: Small, Color: (001) Black / Black / White
🙏🙏🙏
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great buy!
Size: Medium, Color: (001) Black / Black / White
My husband loves these. The socks are warm and thick and extremely comfortable. They support the foot and he works outside all day and has had them for a little over a month. They stay in place and don’t move move around while he’s outside moving around.
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Reviewed in the United States on November 6, 2025
