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Load image into Gallery viewer, Sunrace RD-M57 Rear Derailleur M57 7/8sp Long

SKU: RRDR0412

Sunrace RDM57 Long Cage 7/8-Speed Rear Derailleur - Lightweight Black Aluminum Frame, 11-34T Gear Range, High-Performance Shimano Compatible, Durable Engineering for MTB & Road Bikes

Regular price $17.43
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Description
Specifications

Upgrade Your Bike's Performance with the Sunrace RDM57 Rear Derailleur - 7/8-Speed, Long Cage, Black

Engineered for smooth shifting and reliable durability, the Sunrace RDM57 Rear Derailleur is the perfect component for cyclists seeking enhanced versatility and performance. Designed to accommodate a wide gear range, this derailleur features a long cage that effortlessly manages up to 11-34T sprockets, making it ideal for touring, mountain biking, and hybrid bikes.

Materials & Construction:

Constructed with high-quality, lightweight materials, the Sunrace RDM57 weighs only 354 grams (381g with packaging), ensuring minimal added weight without compromising strength or durability. Its robust construction resists corrosion and wear, making it a dependable choice for all riding conditions.

Performance & Engineering:

Precision-engineered for smooth and accurate shifting, the RDM57 leverages advanced derailleur technology to provide consistent performance across a 43T capacity. The derailleur's maximum front difference of 20T and compatibility with 7 and 8-speed drivetrains ensure seamless gear changes, whether traversing steep climbs or fast descents.

Components & Technology:

The derailleur features a long cage design for greater chain capacity, accommodating larger sprockets for versatile gearing options. Its expertly calibrated spring tension and reliable jockey wheels optimize chain stability and reduce derailment risk, enhancing overall drivetrain efficiency.

Style & Use Case:

With a sleek black finish, the Sunrace RDM57 adds a professional and cohesive look to any bike setup. Its adaptable design makes it suitable for touring bikes, mountain bikes, hybrid bikes, and any setup requiring a broad gear range. Whether you're embarking on long-distance touring or tackling rugged trails, this derailleur delivers dependable performance.

Innovative & Differentiating Features:

Unique to the RDM57 are its optimized gear capacity and durable construction, making it stand out among mid-range derailleurs. Its compatibility with both 7 and 8-speed shifters provides versatile upgrade options, ensuring you get long-lasting value and top-tier shifting action.

Key Specifications:

- Gear Range: 11-34T

- Cage Type: Long Cage

- Drivetrain Compatibility: 7/8-Speed

- Max Front Difference: 20T

- Derailleur Capacity: 43T

- Weight: 354g (381g with packaging)

- Color: Black

Upgrade your bike's shifting reliability and gear range with the Sunrace RDM57 Rear Derailleur - the ideal choice for enthusiasts seeking quality, performance, and style. Enhance your cycling experience today!

  • Optimized for 7/8-speed drivetrains, the Sunrace RDM57 Rear Derailleur features a durable and lightweight aluminum construction, ensuring reliable performance on diverse terrains.
  • Engineered with precision Shimano-style components and advanced shifting technology, this derailleur delivers smooth, accurate gear changes for enhanced riding efficiency.
  • Designed with a long cage and a capacity of 43T, the RDM57 accommodates wide-range cassettes up to 11-34T, making it ideal for versatile mountain biking and touring setups.
  • Featuring a sleek black finish, this rear derailleur combines style and durability, suitable for both aggressive trail riding and everyday commuting.
  • Lightweight at just 354g, the Sunrace RDM57 provides optimal performance without adding unnecessary weight, perfect for riders seeking a balanced mix of strength and agility.
Wrap43
Cage/MountLong
Ratio2to1
ModelM57
Max34
Wgt354g
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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

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Ben Berman Founder & CEO of 365 Cycles


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