Short Description
The Shimano Tiagra RD-R4000 11-Speed Rear Derailleur delivers smooth, reliable and precise shifting for Tiagra 11-speed road drivetrains. Featuring a rigid wide-link design, low-friction operation and compatibility with cassettes up to 36T, it offers dependable Shimano performance for road, fitness and touring bikes.
Key Features
- 11-Speed Tiagra Performance: Designed specifically for Shimano Tiagra 11-speed road drivetrains for accurate and dependable shifting
- Wide-Link Design: Increased rigidity helps improve shifting precision, durability and service life
- Light Shifting Action: Advanced design provides smooth, low-friction shifting both up and down the cassette
- Up to 36T Cassette: Supports a maximum 36-tooth rear sprocket when used with a compatible double chainset
- Durable Alloy Construction: Alloy body and outer link provide an excellent balance of strength, durability and low weight
- Low-Friction Bushings: Two fluorine-coated link pin bushings help maintain smooth derailleur movement
Product Overview
The Shimano Tiagra RD-R4000 rear derailleur brings smooth and reliable Shimano shifting performance to 11-speed road bikes. Its wide-link construction increases rigidity for more precise gear changes while also improving durability for high-mileage riding. A light-action mechanism and fluorine-coated link pin bushings reduce friction, helping deliver fast and consistent shifts throughout the cassette. With support for cassettes up to 36 teeth when paired with a double chainset, the RD-R4000 provides a useful range for climbing as well as faster road riding. It is an excellent choice for replacing or upgrading the rear derailleur on a compatible Shimano Tiagra 11-speed road, fitness or touring bike.
Specifications
- Brand: Shimano
- Model: Tiagra RD-R4000
- Manufacturer Code: RDR4000
- Product Type: Rear derailleur
- Speed: 11-speed
- Drivetrain: Shimano Tiagra 11-speed
- Maximum Cassette Sprocket: 36T with double chainset
- Construction: Alloy body and outer link
- Design: Wide-link construction
- Bushings: Fluorine-coated link pin bushings
- Chain Compatibility: Shimano 11-speed
- Shifter Compatibility: ST-R4020 / ST-U6030 STI
- Recommended Cassette: Shimano CS-RS400 11-speed
- Use: Road, fitness and touring
- Colour: Black
Ideal For
- Shimano Tiagra 11-speed road bikes
- Replacing a worn or damaged RD-R4000 derailleur
- Road riders requiring a wider climbing gear range
- Fitness, endurance and touring bikes with compatible Shimano drivetrains
What’s Included
- 1 × Shimano Tiagra RD-R4000 11-Speed Rear Derailleur
Care & Notes
Ensure compatibility with your existing Shimano drivetrain, cassette, chain and shifters before installation. Correct derailleur adjustment and hanger alignment are essential for accurate shifting. Keep the derailleur clean and lubricate pivot points as required.
Why Buy From LK Bikes
LK Bikes offers genuine Shimano components backed by expert cycling advice, reliable service and strong aftersales support.
