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