Shimano GRX RD-RX400 Rear Derailleur - 10-Speed, Long Cage, Black, With Clutch

Boost your gravel cycling performance with the GRX RD-RX400 Rear Derailleur - a durable and reliable component engineered specifically for mixed surface adventures. Designed with advanced materials and innovative technology, this 10-speed, long cage derailleur offers optimized shifting, superior chain stability, and enhanced durability for gravel, off-road, and adventure cycling enthusiasts. Materials & Construction Constructed from , lightweight aluminum and sturdy steel components, the GRX RD-RX400 ensures durability and corrosion resistance even in challenging terrain conditions. Its sleek black finish not only adds a professional aesthetic but also provides extra resistance against dirt and grime. Performance & Engineering Engineered for precision, this rear derailleur features 's Shadow RD+ technology with a chain stabilizer that effectively minimizes chain slap and drops, ensuring smooth and reliable shifting across varied surfaces. The gravel-tuned clutch tension provides consistent tension on the chain for confident handling on rough roads and technical trails, reducing chain drop and enhancing rider control. Components & Technology Equipped with 's innovative clutch mechanism, the RD-RX400 allows you to turn the stabilizer on or off, depending on terrain demands-ideal for mixed terrain riding. Compatibility with 's 10-speed road shifters (ST-RX400, ST-4700, and others) makes this derailleur easy to integrate into your existing gravel, cyclocross, or endurance bike setup. Style & Use Case Designed for gravel riders, adventure cyclists, and endurance enthusiasts, the GRX RD-RX400 caters to those seeking reliable, high-performance shifting for long-distance mixed terrain adventures. The long cage design provides a large chain wrap capacity (up to 41 teeth), accommodating wider gear ranges and larger cogs-up to 36T-for tackling steep climbs and technical descents with confidence. Innovative & Differentiating Fea

• Optimized for gravel riding, the GRX RD-RX400 Rear Derailleur features a durable long cage design for enhanced gear range and reliability across mixed terrain.
• Constructed with high-strength materials and advanced engineering, this 10-speed derailleur provides precise shifting performance and exceptional durability under demanding riding conditions.
• Equipped with a Shadow RD+ chain stabilizer and gravel-tuned clutch technology, the RD-RX400 significantly reduces chain slap and drops, ensuring smooth, silent operation on rough surfaces.
• Designed for Road compatibility, this rear derailleur offers seamless integration with popular shift levers like ST-RX400 and ST-4700, making it perfect for gravel, adventure, and endurance bikes.
• Its sleek black finish combines style with functionality, while the adjustable clutch feature allows riders to optimize tension for varying terrains, providing versatile performance for endurance and gravel riding.