Sunrace RDMS100 10x Rear Derailleur
The RDMS100 is a 10-speed rear derailleur designed for MTB, trekking, and city bikes using a 1x drivetrain with up to a 51T cassette. Featuring a direct-mount design and adjustable chain stabilizer, it delivers consistent shifting and chain retention across varied terrain. Its alloy and steel construction balances strength and weight, making it a dependable upgrade or replacement for modern 1x10 setups.
Features
- Direct mount design for clean, secure installation
- Medium cage length for wide-range compatibility
- Durable alloy and steel construction
Technical Specifications
- Speed: 10-speed
- Fitting: Direct Mount
- Cage: Medium
- Reach: 11-51T
- Material: Alloy and Steel
- Intended use: MTB, Trekking and City

Sunrace RDMS100 10x Rear Derailleur
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Ask about this productSunrace RDMS100 10x Rear Derailleur
The RDMS100 is a 10-speed rear derailleur designed for MTB, trekking, and city bikes using a 1x drivetrain with up to a 51T cassette. Featuring a direct-mount design and adjustable chain stabilizer, it delivers consistent shifting and chain retention across varied terrain. Its alloy and steel construction balances strength and weight, making it a dependable upgrade or replacement for modern 1x10 setups.
Features
- Direct mount design for clean, secure installation
- Medium cage length for wide-range compatibility
- Durable alloy and steel construction
Technical Specifications
- Speed: 10-speed
- Fitting: Direct Mount
- Cage: Medium
- Reach: 11-51T
- Material: Alloy and Steel
- Intended use: MTB, Trekking and City
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