Steel Bicycle Rear Derailleur - Options for 8, 7, or 6-Speed Drivetrains
Monsoon Steel Bicycle Rear Derailleur
The monsoon rear derailleur product line provides reliable performance for 8-speed, 7-speed, and 6-speed bicycle drivetrains, with specific models crafted for each setup. Designed for mountain, city, and folding bikes, these derailleurs are made from high-strength steel to offer exceptional durability and stability. Each model is available with either a hanger mount or direct mount option, ensuring a secure fit on a wide range of frames. Monsoon derailleurs deliver consistent shifting accuracy, making them an ideal choice for cyclists seeking dependable, high-quality gear performance for various riding conditions.
Features
- Specific Drivetrain Compatibility: The Monsoon line includes models designed for 6-speed, 7-speed, and 8-speed systems to meet diverse cycling needs.
- Durable Steel Construction: Made from high-strength steel for enhanced stability and durability, suitable for both daily rides and rugged conditions.
- Mounting Options: Available in either hanger mount or direct mount configurations to fit different bicycle frames securely.
- Smooth Shifting Performance: Engineered for precise and reliable gear shifts, contributing to a comfortable and controlled ride.
- Easy Installation: Designed for straightforward setup, whether replacing old derailleurs or installing on new builds.
Specification
| Series | Speed | Total Capacity | Mount |
|---|---|---|---|
| RD508 | 7 / 8 speed | 36T | Hanger / Direct |
| RD507 | 7 / 8 speed | 43T | Hanger / Direct |
| RD506 | 6 / 7 speed | 36T | Hanger / Direct |
| RD500 | Friction | 36T | Hanger |
- Gallery
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Details
How can you source precision rear derailleurs that meet OEM specifications for multiple drivetrain configurations while reducing component costs?
Shih Yeh's Monsoon derailleur line offers bicycle manufacturers a complete solution with models for 6, 7, and 8-speed systems, all manufactured with precision metal stamping techniques and strict quality control. Our in-house tool room and 36 years of expertise ensure consistent performance, reliable shifting accuracy, and cost-effective mass production. Contact our sales team to discuss volume pricing and customized specifications for your bicycle assembly needs.
Shih Yeh's integrated manufacturing capabilities—spanning precision metal stamping, CNC machining, and comprehensive surface treatments—enable the production of rear derailleurs that meet strict quality standards and exact specifications. With models including the RD508 (36T capacity for 7/8-speed), RD507 (43T capacity for 7/8-speed), RD506 (36T capacity for 6/7-speed), and RD500 (friction control), bicycle manufacturers gain access to engineered solutions that enhance drivetrain performance and rider experience. Partner with Shih Yeh to secure reliable, high-precision derailleur components that deliver the smooth, controlled gear shifts your customers expect, backed by our commitment to quality and on-time delivery.






