SHIMANO RD-MR40 Rear Derailleur Mtb

( Brand: Shimano ), ( Manufacturer Part Number: RD-MR40 ), ( Part Type: Derailleur ), ( Color: Silver ), ( Material: Aluminum, Steel ), ( Mounting Type: Hanger ), ( Number Of Speeds: 7 Speed ), ( Compatible Bike Type: Universal, City Bike, Cross Bike, Gravel Bike, Hardtail Bike, Hybrid Bike, Mountain Bike, Racing Bike, Road Bike, Touring Bike ), ( Country/region Of Manufacture: Japan ), ( Item Weight: 242 G ), ( Derailleur Cage Length: Long Cage )

Review SHIMANO Rear Derailleur Silver Long Reach Speed Mtb Fast Usa Shipper

Shimano Deore M4000 RD-M400-SGS Rear Derailleur MTB - Reliable Performance for Smooth Gear Shifts

Experience the epitome of smooth and efficient shifting with the Shimano Deore M4000 RD-M400-SGS Rear Derailleur MTB. This high-performance component is engineered to meet the demands of modern mountain biking, ensuring a reliable and seamless transition between gears, even under the most challenging conditions.

The RD-M400-SGS is a part of Shimano's Deore M4000 series, renowned for its durability and precision. It features Shimano's Shadow Plus technology, which offers a more consistent chain line and reduces chain slap, enhancing both the performance and longevity of the derailleur.

Crafted with a Cold Forged Construction, this rear derailleur boasts a robust and lightweight design. The long cage (SGS) variant offers an increased maximum capacity to accommodate larger sprockets, catering to a broader range of gearing setups. The 11-speed design is compatible with Shimano's HG-X11 series cassettes, providing a wide range of gear options for various terrains.

The Shimano Deore M4000 RD-M400-SGS Rear Derailleur MTB is equipped with an I-Spec EV shift lever clamp, allowing for a clean and streamlined cockpit setup. The adjustable pulley position and the three-sided gear cable entry further contribute to a versatile and user-friendly setup.

With its precise and responsive shifting, the Shimano Deore M4000 RD-M400-SGS Rear Derailleur MTB is an ideal choice for riders seeking a reliable and high-performance component for their mountain bike. Whether you're navigating technical single tracks, climbing steep inclines, or descending rugged terrains, this derailleur delivers the smooth and consistent shifting performance you need to conquer any trail.

1. Precise and smooth shifting: This derailleur is known for its excellent performance, with quick and precise gear shifts.

2. Durable construction: The Shimano RD-M4000 is built to withstand the rigors of mountain biking, featuring a tough design with a reinforced outer cage.

3. Compatibility: It is compatible with a wide range of Shimano 10-speed cassette systems, making it a versatile choice for many mountain bikes.

4. Adjustable tension: The Shadow RD design allows for adjustable chain tension, reducing the potential for chain slap and improving overall drivetrain efficiency.

1. Cost: The Shimano RD-M4000 is a high-end derailleur, and its price reflects its quality. It may be more expensive than some other options on the market.

2. Setup may require some experience: While the derailleur itself is user-friendly, setting it up correctly might require some experience or guidance from a professional.

3. May not be necessary for all riders: If you're a casual rider who doesn't require high-performance shifting or frequent gear changes, a less expensive derailleur may suffice.

The Shimano RD-M4000 is a high-quality, durable, and precise rear derailleur that caters to the needs of serious mountain bikers. Its smooth shifting, compatible with a wide range of systems, and adjustable tension make it an excellent choice for those seeking a high-performance derailleur. However, its cost and the potential for a learning curve in setup may make it less appealing for casual riders or those on a tight budget.

If you are a serious mountain biker looking for a high-performance derailleur with precise shifting and durability, the Shimano RD-M4000 is an excellent choice. For casual riders or those with a limited budget, you may want to consider a less expensive option that still offers reliable shifting performance.

Details:

A few scuffs, decal is wearing off, but in overall good shape. Shimano Rear Derailleur RD-MR40 Silver Long Reach 7 Speed MTB Fast USA Shipper. Take multiple photographs of the product in package. Free transportation makes a huge difference in peoples lives: when I was homeless teen and got free bike, it radically changed my life, leading to business degree small success.

Nearly all boxes are custom made to reduce risk of shipping damage. Long reached and fits 7 speed setups. Our sales have provided funding to give away over 13,000 bikes, divert 1000 tons from the landfill, and teach repair skills 7000 people. Please carefully review the photos and information provided before buying.

Take multiple Photographs from different angles of any damage to the product. A sweet rear derailleur from Shimano.

part #: rdmr40 prices

• $16.99-$45.54

specifications ribicycl:

• brand: Shimano
• mpn: Rd-mr40
• part type: Derailleur
• color: Silver
• material: Aluminum, Steel
• mounting type: Hanger
• number of speeds: 7 Speed
• compatible bike type: Universal, City Bike, Cross Bike, Gravel Bike, Hardtail Bike, Hybrid Bike, Mountain Bike, Racing Bike, Road Bike, Touring Bike
• country/region of manufacture: Japan
• item weight: 242 G
• derailleur cage length: Long Cage

payments ribicycl:

• credit card: Mastercard
• other
• wallet: Apple-pay

shipping ribicycl:

• class: Standard
• service: USPS Ground Advantage
• cost: $9.99
• transit: 6-12 Days
• type: Fixed
• carrier: USPS

seller ribicycl:

• city: Madison, Wisconsin
• rating: 99.8%
• # reviews: 18640

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > Rear Derailleurs

returns ribicycl:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days
• method: Money back

offer ribicycl:

• options: Ship-to-home
• best offers: True
• sold: 0
• quantity: 1
• started: June 14, 2025
• availability: In Stock

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