Shimano 12 Speed, Mount, Rear Derailleur

Speed compatibility: 12
Cable Pull Ratio Unknown
Cage Length
Actuation Unknown
Clutch Unknown
Total Capacity Unknown
Top Gear Min
Top Gear Max
Material
Pully Wheel Sizes
Low Sprocket Max None
Top Sprocket Min None
Mount Type Unknown
L Limit Screw Location Unknown
Unknown
H Limit Screw Location Unknown
Unknown
Compatible Chains
Brand Shimano
Model Number
UPC 192790310893
Color Black
ebike-Friendly?
Weight 310 grams
Intended Use

Interchangeable Parts

Click to see all known products that are interchangeable with this product. For rear derauillers we use rear cassette speeds, maximum top gear, and total capacity to narrow the selection to interchangeable parts. Other factors like weight, brand, and price are not relevant to compatibility. This is designed to help you quickly find replacement parts that will fit.

Compatible Chains

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Description

Shimano's GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
- Integrated wireless unit, charging port, and switch allows a compact design
- Offers fast and reliable shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap
- Shimano Shadow RD+ offers a quiter drivetrain by utilizes a stablizer to reduce chain slap and provides a simple solution for chain drops
- Gravel-tuned clutch tension features a switch stabilizer ON/OFF to match terrain - ON for gravel, OFF for smooth roads
- LED status indicator to easier identify battery life, pairing, adjust mode, etc.
- Top sprocket: Max. 11t/Min. 11t
- Low sprocket: Max. 36t/Min. 34t
- Total Capacity: 40t

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