Shimano Sora RD-R3000 GS Rear Derailleur | 9-Speed | Medium Cage
Shimano Sora RD-R3000 GS Rear Derailleur | 9-Speed | Medium Cage
Reliable Shimano 9-speed shifting with the capacity to handle wide-range gearing for road, fitness, touring, and gravel riding.
The Shimano Sora RD-R3000 GS Rear Derailleur brings trickle-down technology from Shimano's higher-end road groupsets, delivering crisp, dependable shifting and excellent durability for everyday cyclists. Designed around Shimano's proven 9-speed platform, the GS (medium cage) version accommodates larger cassette ranges, making it an excellent choice for riders tackling hills, commuting, endurance riding, and light gravel adventures.
Compatible with cassettes up to 11-34T, the RD-R3000 GS provides a wide gear range while maintaining smooth, accurate shifting across the cassette. Shimano's direct attachment mounting system ensures easy installation on standard derailleur hangers, while the integrated barrel adjuster simplifies cable tuning.
Whether you're replacing a damaged derailleur or upgrading an older drivetrain, the RD-R3000 offers the quality and reliability Shimano is known for.
Key Features
- Shimano Sora R3000 9-speed performance
- GS (medium cage) design for wide-range cassettes
- Compatible with 11-34T cassette combinations
- Smooth, accurate shifting performance
- Integrated cable barrel adjuster
- Direct attachment mounting
- Durable Shimano construction for everyday riding
Technical Specifications
- Brand: Shimano
- Series: Sora
- Model: RD-R3000 GS
- Manufacturer Part Number: RD-R3000
- Product Code: ERDR3000GS
- UPC: 689228678668
- Speed: 9-Speed
- Cage Length: GS (Medium)
- Mount Type: Direct Attachment (Conventional)
- Maximum Cassette: 34T
- Minimum Low Sprocket: 28T
- Total Capacity: 43T
- Maximum Front Difference: 20T
- Pulley Wheels: 11-Tooth
- Color: Shimano Series Finish
Compatibility
- Shimano Sora R3000 9-speed shifters
- Shimano 9-speed road drivetrains
- 11-28T through 11-34T cassettes
- Double cranksets with up to a 20T chainring difference
- Standard derailleur hanger (direct attachment)
Ideal For
- Road bikes
- Fitness bikes
- Gravel bikes
- Commuter bicycles
- Touring bikes
- Replacement drivetrain repairs
Why You'll Love It
- Reliable Shimano shifting performance
- Handles climbing-friendly 11-34T gearing
- Easy setup and adjustment
- Excellent durability for daily riding
- Affordable OEM replacement or upgrade
Before You Buy
- Designed specifically for Shimano 9-speed road drivetrains.
- The GS medium cage is recommended when using cassettes up to 34T.
- Always verify your derailleur hanger is straight before installation.
- For best shifting performance, replace worn cables, housing, chain, and cassette when necessary.
The Shimano Sora RD-R3000 GS Rear Derailleur offers dependable Shimano performance with wide-range gearing capability, making it an outstanding choice for road cyclists, commuters, endurance riders, and anyone looking for smooth, reliable 9-speed shifting.