SHIMANO RD-A550-SS Rear Road Derailleur RX100 7-SPEED

( Brand: Shimano ), ( Manufacturer Part Number: RD-A550-SS ), ( Model: SHIMANO RX100 RD-A550-SS ), ( Part Type: Derailleur ), ( Compatible Brand: For Shimano ), ( Color: Silver ), ( Compatible Bike Type: Racing Bike, Road Bike, Touring Bike ), ( Material: Alloy ), ( Mounting Type: Bolt-on ), ( Country/region Of Manufacture: Japan ), ( Number Of Speeds: 7 Speed ), ( Derailleur Cage Length: Short Cage )

Review SHIMANO Rear Road Derailleur 7-speed

The Shimano RD-A550-SS RX100 7-Speed Rear Road Derailleur is a high-performance component designed for smooth and precise shifting in your road cycling setup. This derailleur is part of Shimano's A Series, which offers reliable and durable performance for riders who demand quality.

The RD-A550-SS features a sleek and compact design, with a cold-forged aluminum outer cage that ensures lightweight yet robust construction. The derailleur's tension control screw allows for fine-tuning of the cable tension, ensuring optimal chain engagement and reducing the likelihood of chain drop.

The derailleur utilizes Shimano's RX100 Shadow Plus technology, which positions the pulley cage closer to the center of the wheel. This design reduces the derailleur's Q-Factor, minimizing the distance between the crank arms and providing a more efficient and comfortable pedaling experience. The Shadow Plus design also improves chain stability and reduces the risk of chain rub against the frame.

The Shimano RD-A550-SS RX100 7-Speed Rear Road Derailleur is designed to work seamlessly with a 7-speed drivetrain, offering precise and consistent shifting across all gears. The derailleur's long-cage design accommodates a wide range of gearing options, making it suitable for various riding terrains and styles.

In summary, the Shimano RD-A550-SS RX100 7-Speed Rear Road Derailleur is a high-quality, durable, and versatile component that delivers smooth and precise shifting in a compact and efficient package. Whether you're a weekend warrior or a competitive cyclist, this derailleur is an excellent choice for enhancing the performance of your road bike.

1. Reliability: Shimano is a well-known and respected brand in the cycling community, and the RD-A550-SS RX100 is a durable derailleur that is built to last.

2. Precision shifting: This derailleur features Shimano's Shadow RD technology, which helps to reduce chain slap and improve shifting precision.

3. Affordable: Compared to some other Shimano derailleurs, the RD-A550-SS RX100 is relatively affordable, making it a good option for budget-conscious cyclists.

4. Compatibility: This derailleur is designed for use with 7-speed cassettes, making it compatible with a wide range of drivetrains.

1. Limited gear range: With only 7 speeds, this derailleur may not offer the same range of gears as some other options, which could limit its usefulness for certain types of riding.

2. Weight: The RD-A550-SS RX100 is heavier than some other Shimano derailleurs, which could be a consideration for competitive cyclists or those looking to build a lightweight bike.

3. Limited upgrades: This derailleur is a lower-tier model, which means that it may not be compatible with some higher-end components or upgrades.

Ending conclusion: The Shimano RD-A550-SS RX100 7-speed rear derailleur is a reliable and affordable option for budget-conscious cyclists looking for a durable and precise-shifting derailleur. However, it may not offer the same range of gears or compatibility with higher-end components as some other options.

Recommendation: If you are looking for a reliable and affordable derailleur for a 7-speed drivetrain, the Shimano RD-A550-SS RX100 is a good choice. However, if you are looking for a derailleur with a wider gear range or compatibility with higher-end components, you may want to consider a higher-tier Shimano derailleur or a derailleur from another manufacturer.

Details:

Up for sale is Nice vintage Shimano RSX RD-A550-SS rear road derailleur. Compatible with Shimano 7-speed STI systems. Shortage for double chaining applications up to 28T maximum cog and maximum chain wrap. Shimano RX100 RD-A550-SS Rear Road Derailleur for 2 x 7-Speed.

Ultra-low mileage Andean excellent used condition with just a few light marks from normal use, pleases pictures for.

part #: rda550 prices

• $20.00-$29.99

specifications ribicycl:

• brand: Shimano
• mpn: Rd-a550-ss
• model: Shimano Rx100 Rd-a550-ss
• part type: Derailleur
• compatible brand: For Shimano
• color: Silver
• compatible bike type: Racing Bike, Road Bike, Touring Bike
• material: Alloy
• mounting type: Bolt-on
• country/region of manufacture: Japan
• number of speeds: 7 Speed
• derailleur cage length: Short Cage

returns ribicycl:

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

seller ribicycl:

• city: Avilla, Indiana
• rating: 99.7%
• # reviews: 3096

shipping ribicycl:

• type: Fixed
• cost: $6.25
• transit: 5-10 Days
• class: Economy
• service: Economy

general ribicycl:

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

offer ribicycl:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• best offers: True
• started: August 30, 2025
• quantity: 1

payments ribicycl:

• other
• credit card: Visa
• wallet: Paypal

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