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Shimano ZEE RD-M640-SS 10-Speed Rear Derailleur with Clutch and Short Cage for Mountain Biking
Reference Number: 3C74O9
Optimize your mountain biking performance with the Shimano ZEE RD-M640-SS Rear Derailleur - a high-performance, 10-speed, short cage derailleur engineered for durability and precision. Built specifically for aggressive trail riding and downhill cycling, this derailleur offers exceptional performance in demanding conditions.
Premium Materials & Construction
Crafted from durable, lightweight aluminum and reinforced with high-strength steel components, the Shimano ZEE RD-M640-SS is designed to withstand rough trails, impacts, and harsh weather. Its sleek gray finish not only provides a stylish look but also ensures corrosion resistance, extending the lifespan of your drivetrain components.
Advanced Performance & Engineering
Designed for wide-range cassettes up to 36 teeth, this derailleur offers superb gear range versatility for challenging terrains. The short cage design delivers fast, precise shifting along with optimal chain management, ensuring minimal chain slack during aggressive pedaling. The inclusion of Shimano's proven Shadow RD+ clutch technology stabilizes the chain, reducing chain slap, minimizing noise, and preventing derailments during rough rides.
Innovative Components & Technology
Equipped with Shimano's cutting-edge Shadow RD+ clutch mechanism, the ZEE RD-M640-SS enhances drivetrain security, even on rugged trails. Compatibility with Shimano Mountain 10-speed shifters and Shimano Rear Direct Mount ensures seamless integration with your mountain bike, providing reliable, smooth gear transitions in every ride.
Style & Use Case
Designed for serious mountain bikers, this rear derailleur excels in downhill, enduro, and trail riding scenarios where durability and control are paramount. Its sleek gray aesthetic complements aggressive mountain bikes, while its precision engineering ensures optimal performance in technical sections and high-speed descents.
Key Features & Benefits
- Wide-Range Compatibility: Supports cassettes with up to 36T max cog for versatile gear options
- Clutch Technology: Shimano's Shadow RD+ clutch reduces chain slap and noise for a quieter, more confident ride
- Durability & Reliability: Robust aluminum construction withstands rough trail conditions
- Precise Shifting: Short cage design ensures accurate gear changes and chain management
- Easy Compatibility: Designed for Shimano 10-speed mountain bike drivetrains with Shimano Rear Direct Mount
Upgrade your mountain bike's drivetrain with the Shimano ZEE RD-M640-SS Rear Derailleur - the ultimate choice for aggressive trail riders seeking durability, precision, and advanced chain control. Dominate every terrain with confidence.
- Optimized for 10-speed mountain biking setups, the Shimano ZEE RD-M640-SS rear derailleur offers durable performance and precise shifting.
- Constructed with high-quality aluminum and steel components for enhanced durability and lightweight handling in demanding off-road conditions.
- Equipped with Shimano's Shadow RD+ clutch technology, this derailleur effectively reduces chain slap, minimizes noise, and ensures smooth gear shifts on rugged trails.
- Designed specifically for aggressive riding styles, it features a wide-range functionality supporting cassettes up to 36t, perfect for mountain bikers seeking high-performance gear options.
- Sleek gray finish and compact short cage design make the Shimano ZEE RD-M640-SS both stylish and versatile, ideal for downhill, enduro, and trail riding applications.
| Item Specifications | |
|---|---|
| Largest Cog | 36 |
| 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 (teeth) | 25 |
| Cage Length | Short |
Why 365 Cycles?
365 Cycles is an Authorized Shimano Dealer, and we offer the Full Shimano Warranty!
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Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
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!
Exchanges
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.
