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SHIMANO RD-AT20 Altus Rear Derailleur Cage

Rd-at20 Shimano Altus Rear Derailleur Via Japan Long Cage 7 Speed

( Brand: Shimano ), ( Manufacturer Part Number: RD-AT20 ), ( Model: ALTUS ), ( Part Type: Derailleur ), ( Color: Multicolor ), ( Material: Aluminum Alloy ), ( Mounting Type: Bolt-on ), ( Number Of Speeds: 7 Speed ), ( Compatible Bike Type: Mountain Bike ), ( Country/region Of Manufacture: Japan ), ( Item Weight: 308 G ), ( Derailleur Cage Length: Long Cage )

Review SHIMANO Altus Rear Derailleur Via Japan Long Cage Speed

Shimano RD-AT20 Altus Rear Derailleur Cage - Smooth, Durable, and Precise Shifting

The Shimano RD-AT20 Altus Rear Derailleur Cage is a testament to Shimano's commitment to delivering high-quality components that cater to both entry-level and experienced cyclists. This derailleur, with its sleek and robust design, offers smooth and precise shifting experiences, making your cycling journey more enjoyable and efficient.

Crafted with a durable aluminum body, the RD-AT20 Altus is lightweight yet sturdy, ensuring it can withstand the rigors of daily use. The derailleur cage features an optimized design that ensures efficient chain movement, reducing the risk of chain slap and promoting a quieter ride.

One of the standout features of this derailleur is its adjustable cage length. This allows riders to customize the derailleur to suit their specific gear configurations, ensuring optimal performance and smooth shifting across various terrain types. The RD-AT20 Altus also includes a quick-shift indexing system, which enhances the speed and accuracy of upshifting and downshifting.

The Shimano RD-AT20 Altus Rear Derailleur Cage is easy to install and compatible with a wide range of Shimano shifters, thanks to its HG-style interface. It's designed to work seamlessly with 8-speed drivetrains, providing reliable and consistent shifting performance.

In conclusion, the Shimano RD-AT20 Altus Rear Derailleur Cage is an excellent choice for cyclists seeking a durable, high-performance component that delivers smooth and precise shifting. Whether you're a new cyclist embarking on your first long ride or an experienced rider looking to upgrade your bike, the RD-AT20 Altus is a reliable companion for your cycling adventures.

The Shimano RD-AT20 Altus Rear Derailleur Cage is a popular choice among cyclists due to its affordability and reliable performance. Here are some pros and cons to help you decide if this derailleur is a good fit for your needs:

Pros:

1. Affordable: The Shimano RD-AT20 Altus is one of the most affordable options from Shimano, making it an excellent choice for budget-conscious cyclists.

2. Reliable: Shimano is known for its durability and dependability, and the RD-AT20 Altus is no exception. It provides smooth and accurate shifting, which is essential for a pleasant riding experience.

3. Easy to install: This derailleur is designed for easy installation, making it a suitable option for both experienced mechanics and beginners.

4. Compatibility: The RD-AT20 Altus is compatible with a wide range of Shimano shifters, providing flexibility for those looking to upgrade their components in the future.

Cons:

1. Limited gear range: The RD-AT20 Altus is not designed for high-end, multi-gear setups. It's best suited for 7-speed or 8-speed systems.

2. Weight: Compared to higher-end Shimano derailleurs, the RD-AT20 Altus is heavier, which may be a concern for competitive cyclists.

3. Not suitable for mountain biking: Due to its limited gear range and weight, the RD-AT20 Altus is not the best choice for mountain biking, where a wider gear range and lighter weight are essential for handling rough terrain.

In conclusion, the Shimano RD-AT20 Altus Rear Derailleur Cage is an excellent choice for cyclists looking for an affordable, reliable, and easy-to-install derailleur for their road or hybrid bike. However, if you're a competitive cyclist or mountain biker, you may want to consider a higher-end Shimano derailleur to meet your specific performance needs.

Recommendation: If you're a budget-conscious cyclist looking for a dependable derailleur for your road or hybrid bike, the Shimano RD-AT20 Altus is an excellent choice. If you require a wider gear range or lighter weight, consider upgrading to a higher-end Shimano derailleur to meet your specific needs.

Details:

Follow me on Instagram, my ID is the MTV re cyclist. ABOUT ME: I'm a cyclist and I love '90s bikes. Item is clean and ready to mount. Ships via USPS First Class.

Your satisfaction is guaranteed. I ship FAST, don't sell JUNK, and stand behind every item. Its easiest if you message me first so I can confirm the total for items want. Seriously, thanks.

Buyer acknowledges that bicycling and outdoor sports are potentially dangerous activities involving physical risk. ABOUT THIS ITEM: As shown, condition is used.

part #: rdat20 prices

  • $29.41-$38.00

specifications ribicycl:

  • brand: Shimano
  • mpn: Rd-at20
  • model: Altus
  • part type: Derailleur
  • color: Multicolor
  • material: Aluminum Alloy
  • mounting type: Bolt-on
  • number of speeds: 7 Speed
  • compatible bike type: Mountain Bike
  • country/region of manufacture: Japan
  • item weight: 308 G
  • derailleur cage length: Long Cage

seller ribicycl:

  • rating: 99.8%
  • # reviews: 3349
  • city: Linwood, New Jersey

general ribicycl:

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

returns ribicycl:

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

shipping ribicycl:

  • transit: 4-9 Days
  • type: Calculated
  • cost: $8.19
  • carrier: USPS
  • class: Standard
  • service: USPS Ground Advantage

offer ribicycl:

  • options: Ship-to-home
  • quantity: 1
  • started: June 26, 2025
  • sold: 0
  • availability: In Stock

payments ribicycl:

  • credit card: Mastercard
  • other
  • wallet: Apple-pay
part type: derailleur, mounting type: bolt-on, number of speeds: 7 speed, compatible bike type: mountain bike, country/region of manufacture: japan, item weight: 308 g, derailleur cage length: long cage,
category: sporting goods > cycling > bicycle components parts > rear derailleurs, color: multicolor, material: aluminum alloy, sku: 13614421793861632,
Shimano RD-AT20 Is Similar To:
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3 offers $29.41–$38.00 USD
  • Used. Offer #1 priced at $38.00 + $0.00 shipping estimate = $38.00* total. still in very good technical condition 1992 MTB rear derailleur Shimano Altus.FREE SHIPPING
  • Usato. Offer #2 priced at $29.41 + $21.22 shipping estimate = $50.63* total. +$21.22 shipping
  • Used. Offer #3 priced at $31.85 + $13.00 shipping estimate = $44.85* total. Condition: used.+$13.00 shipping

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