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SKU: RRDR0257

SunRace M57 8-Speed Rear Derailleur with Long Cage for MTB, Shimano Direct Mount, Black, Durable Engineering with 11T Tension Pulley, Lightweight 354g, Optimized for Mountain Bike Performance and Reliable Shifting

Regular price $21.84
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Description
Specifications

Upgrade your MTB drivetrain with the SunRace M57 Rear Derailleur - the perfect choice for 7 and 8-speed mountain biking, offering robust performance, precision shifting, and durable construction. Crafted for serious riders seeking reliable gear changes on rugged trails, this long cage derailleur ensures smooth, accurate transitions across a wide gear range.

Materials & Construction:

Built with high-quality, lightweight materials, the SunRace M57 Rear Derailleur combines durability and resilience. Its sleek black finish not only provides an attractive look but also offers corrosion resistance, ensuring longevity in demanding outdoor conditions.

Performance & Engineering:

Designed explicitly for Shimano-compatible 7- and 8-speed MTB drivetrains, this derailleur features an 11T tension pulley optimized for stable chain tension and minimal chain slap. With a large 34-tooth capacity, it handles extensive gear ranges, making climbs easier and descents faster. The long cage design provides increased chain wrap capacity (up to 43 teeth), facilitating smooth shifting even with larger sprockets.

Components & Technology:

Equipped with advanced derailleur technology, the SunRace M57 ensures precise gear indexing and quick response to shifting commands. Its Shimano rear direct mount compatibility streamlines installation, providing a secure and dependable fit on your mountain bike.

Style & Use Case:

Finished in sleek black, the SunRace M57 Rear Derailleur complements any mountain bike setup. It is ideal for trail riding, cross-country, and all-mountain excursions where durable, reliable, and smooth shifting performance is essential. Whether tackling steep ascents or technical descents, this derailleur keeps your drivetrain responsive.

Innovative & Differentiating Features:

The combination of Shimano rear direct mount compatibility and an optimized 11T tension pulley sets the SunRace M57 apart from standard derailleurs. Its robust construction and precise engineering provide a high-performance upgrade that enhances gear shifting precision and drivetrain durability in rugged MTB environments.

Key Specifications:

- Compatibility: Shimano Mountain 7- and 8-Speed Drivetrains

- Cage Length: Long

- Largest Cog: 34 teeth

- Chain Wrap Capacity: 43 teeth

- Weight: 354 grams

- Finish: Black

- Mount Type: Shimano Rear Direct Mount

Enhance your mountain biking experience with the SunRace M57 Rear Derailleur - built for durability, smooth performance, and reliable gear shifts on every trail. Whether upgrading or customizing your setup, this derailleur ensures you stay confident and in control through every ride.

  • Optimized for 7 and 8-speed MTB drivetrains, the SunRace M57 Rear Derailleur offers reliable performance with a durable long cage design for extensive gear range.
  • Constructed from high-quality materials ensuring durability and resilience in rugged off-road conditions, perfect for aggressive mountain biking adventures.
  • Features Shimano Rear Direct Mount compatibility with an 11T tension pulley, providing smooth shifting and precise gear changes across mountainous terrains.
  • Designed with a large 34-tooth cog capacity and 43-tooth chain wrap capacity, allowing for versatile gear setups and improved climbing efficiency on steep trails.
  • Sleek black finish coupled with advanced engineering makes this derailleur both stylish and functional, suitable for serious MTB riders seeking dependable performance and mountain-ready style.
Largest Cog34
ColorBlack
Rear Der/Shifter CompatibilityShimano Mountain
Rear Derailleur Mount TypeShimano Rear Direct Mount
Drivetrain Speeds7
Drivetrain Speeds8
Weight354
Chain Wrap Capacity (teeth)43
Cage LengthLong
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