The Shimano GRX RD-RX812 - Rear Derailleur - Long is designed for gravel bikes, ensuring smooth and dependable shifting over rough terrain. It uses Shimano's Shadow+ technology, which has a built-in chain stabilizer that minimizes chain slap and maintains the chain securely in place even on rocky paths. This stabilizer may be switched off for smoother rides on paved roads, making it suitable for a variety of settings.
It is designed for 1x11-speed setups and can take cassettes with up to 42 teeth, giving you the gear range you need for steep climbs and various landscapes. Its low-profile Shadow design keeps the derailleur close to the frame, preventing damage and complementing the bike's sleek appearance. Key features include an inbuilt chain stabilizer for difficult terrain, quick and precise shifting with minimal effort, and a lightweight design weighing only 274g. The RD-RX812 is ideal for gravel riders who value performance and durability on their journeys.
Specifications:
- Designed primarily for gravel biking, providing dependable shifting performance over uneven terrain
- Shadow+ Technology includes a built-in chain stabilizer to prevent chain slap, which may be turned off for road use
- Ensures quick, smooth, and precise shifting with minimal effort, even in difficult situations
- Supports 1x11-speed setups and cassettes with up to 42 teeth, making it perfect for steep climbs
- The compact design brings the derailleur closer to the frame, increasing protection from damage and boosting aesthetics
- Made of aluminum, stainless steel, and glass fiber reinforced plastic for durability
- Provides a total of 31 teeth for diverse gear selections
- Weighs just 274 grams
- Genuine Shimano replacement part
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