microSHIFT R9 Rear Derailleur - 9-Speed, Long Cage, Road Compatible, Black

★★★★★ 5.0 78 reviews

$34.51
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Management number 210302989 Release Date 2026/04/02 List Price $13.80 Model Number 210302989
Category

Upgrade your road bike's shifting performance with the microSHIFT R9 Rear Derailleur - engineered for durability, precision, and lightweight efficiency. Designed specifically for use with 9-speed -compatible road systems, this long cage derailleur delivers smooth, reliable shifting across a wide gear range, making it the ideal choice for competitive racing, endurance rides, or everyday cycling. Materials & Construction: Crafted from forged and CNC machined aluminum, the microSHIFT R9 rear derailleur offers a perfect blend of strength and lightweight performance. Its rugged aluminum bracket body ensures durability while minimizing weight, enhancing your bike's overall agility. The steel cage is engineered for enhanced chain-rub resistance, providing long-lasting durability even under demanding riding conditions. Performance & Engineering: Featuring a long cage design, this derailleur accommodates sprockets up to 28 teeth and a chain wrap capacity of 39 teeth, ensuring compatibility with wide-range cassette setups. Precision engineering guarantees crisp, accurate shifts with minimal chain slack. The long cage design also improves chain retention and helps maintain consistent performance across diverse terrain. Components & Technology: The microSHIFT R9 utilizes materials and components that provide smooth shifting and excellent chain management. While compatible with Road shifters, it offers reliable performance with a competitive weight profile, making it a perfect upgrade or replacement for existing road drivetrain setups. Style & Use Case: Finished in sleek black, the R9 rear derailleur adds a professional, clean aesthetic to your road bike. Its versatile design makes it suitable for endurance riding, gran fondos, and competitive road racing. Whether you're upgrading your current setup or building a custom geartrain, this derailleur ensures precise gear changes and dependable performance. Innovative & Differentiating Features: - Compati

  • Optimized for durability and lightweight performance, the microSHIFT R9 Rear Derailleur features forged and CNC machined aluminum construction, providing a robust yet weight-efficient design for demanding road cycling conditions.
  • Engineered for seamless compatibility with 9-speed road shifters, the R9 offers precise, reliable shifting with a durable steel cage that enhances chain retention and minimizes chain rub across a wide gear range up to 28 teeth.
  • Designed with a long cage for optimal gear capacity, this derailleur handles up to 39 teeth of chain wrap, making it ideal for versatile gearing setups and extended gear ranges on road bikes.
  • Constructed with innovative materials and engineering, the R9 delivers a sleek black finish that complements high-performance road bikes, combining style and function for serious cyclists who demand reliability and aesthetic appeal.
  • Suitable for use with 10x1 standard mounting systems, this derailleur enhances your drivetrain's performance in competitive and recreational cycling environments, ensuring smooth and consistent gear transitions every ride.
Color Black
Brand Name microSHIFT
Mount Type Clamp-On Mount
Unit Count 1.0 Count
Item Weight 12.48 ounces
Manufacturer microSHIFT
Model Number RD-R42L-BK
Material Type Aluminum
Number of Teeth 39
Case Material Type Aluminum, Steel
Included Components Rear Derailleur
Warranty Description Limited Warranty
Manufacturer Part Number microSHIFT-RRDR0467
Item Dimensions L x W x H 13"L x 9.5"W x 5"H

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5 out of 5
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78 ratings | 32 reviews
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