SHIMANO RD-A300 Exage Rear Road Derailleur 6/7/8-SPEED

( Brand: Shimano ), ( Manufacturer Part Number: RD-A300 ), ( Model: SHIMANO EXAGE 300EX RD-A300 ), ( Part Type: Derailleur ), ( Compatible Brand: For Shimano ), ( Color: Gray ), ( Compatible Bike Type: Racing Bike, Road Bike, Touring Bike ), ( Material: Alloy ), ( Mounting Type: Bolt-on ), ( Number Of Speeds: 7 Speed ), ( Country Of Origin: Japan ), ( Derailleur Cage Length: Short Cage )

Review SHIMANO Exage Rear Road Derailleur 6/7/8-speed

Shimano RD-A300 Exage 300EX Rear Road Derailleur for 6/7/8-Speed

Experience the unparalleled performance and precision of the Shimano RD-A300 Exage 300EX Rear Road Derailleur. This advanced derailleur, designed for 6/7/8-speed drivetrains, is a testament to Shimano's commitment to innovation and quality.

The RD-A300 Exage 300EX features a robust and lightweight aluminum construction that ensures durability and swiftness. Its sleek design, with an HG-EV High-Efficiency pulley wheel, minimizes friction for smoother, more efficient shifting. The Derailleur's optimized linkage design provides quick and precise gear changes, enhancing your cycling experience whether you're navigating flat roads or tackling steep inclines.

The Exage 300EX is equipped with a Shadow RD design that reduces chain slap and improves heel clearance for a quieter, more comfortable ride. The adjustable tension control allows for fine-tuning to suit your specific bike setup and riding style. The derailleur also comes with a long cage length, ensuring compatibility with various cassette configurations.

With its superior shifting performance, robust construction, and sleek design, the Shimano RD-A300 Exage 300EX Rear Road Derailleur is an excellent choice for serious cyclists seeking a reliable, high-performance component for their 6/7/8-speed road bike. Upgrade your bike today and take your cycling adventures to the next level with the RD-A300 Exage 300EX.

1. Precision shifting: The Shimano RD-A300 EXAGE derailleur offers precise and quick shifting, ensuring a smooth ride.

2. Durable construction: This derailleur features a robust design, with high-quality materials, ensuring durability and long-lasting performance.

3. Compatibility: The 6/7/8-speed compatibility allows for use on a wide range of road bikes.

4. Adjustability: The derailleur offers adjustable tension and limit screws, allowing for fine-tuning to suit individual riding preferences.

5. Lightweight: The Shimano RD-A300 EXAGE derailleur is lightweight, reducing the overall weight of the bike and improving its efficiency.

1. Price: The Shimano RD-A300 EXAGE derailleur is relatively expensive compared to some other options on the market.

2. Limited compatibility: While the derailleur is compatible with 6/7/8-speed systems, it may not be suitable for older or higher-speed systems.

3. Requires maintenance: Like any mechanical component, the derailleur requires regular maintenance to ensure optimal performance.

The Shimano RD-A300 EXAGE 300EX Rear Road Derailleur is a high-quality, durable, and precise option for riders seeking a smooth and efficient shifting experience. Its lightweight design and adjustability make it a versatile choice for a wide range of road bikes. However, its relatively high price and limited compatibility with older or higher-speed systems may be drawbacks for some riders. Ultimately, if budget allows and compatibility is not an issue, the Shimano RD-A300 EXAGE derailleur is a top-tier choice for road cyclists.

If you're in the market for a new rear derailleur for your road bike and are looking for a premium option that offers precise shifting, durability, and adjustability, the Shimano RD-A300 EXAGE 300EX Rear Road Derailleur is a strong recommendation. However, be sure to check the compatibility with your specific bike and consider the higher price point before making a final decision.

Details:

Ultra-low mileage and in good used condition with just few marks from normal use, please see pictures for condition. Shimano EXAGE300EX RD-A300 Rear Road Derailleur for 2 x 6/7/8-Speed. Shortage for double chaining applications up to 28T maximum cog and maximum chain wrap. Up for sale is a late 1980 vintage Shimano EXAGE 300EX RD-A300 rear road derailleur.

Designed for 7-Speed systems but also compatible with Shimano 6 and 8-speed SIS.

part #: rda300 prices

• $22.75-$375.00

specifications ribicycl:

• brand: Shimano
• mpn: Rd-a300
• model: Shimano Exage 300ex Rd-a300
• part type: Derailleur
• compatible brand: For Shimano
• color: Gray
• compatible bike type: Racing Bike, Road Bike, Touring Bike
• material: Alloy
• mounting type: Bolt-on
• number of speeds: 7 Speed
• country of origin: Japan
• derailleur cage length: Short Cage

general ribicycl:

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

offer ribicycl:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True
• started: November 29, 2025
• sold: 0

returns ribicycl:

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

shipping ribicycl:

• transit: 4-9 Days
• type: Fixed
• service: Economy
• cost: $6.75
• class: Economy

seller ribicycl:

• # reviews: 3317
• city: Avilla, Indiana
• rating: 99.8%

payments ribicycl:

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

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