Description
Product Overview
The Relwears RD‑R3000‑GS is a professional‑grade 9‑speed rear derailleur engineered for durability and precision. Constructed from premium‑grade alloy, the GS long cage provides a slender profile while maintaining exceptional strength. Dimensions measure 5.5 x 2.2 x 2.6 inches, and the unit weighs just 0.31 kg, making it lightweight without sacrificing stability. Designed for a maximum 34T chainring, it delivers consistent, rapid shifts across a variety of riding conditions.
Usage
Ideal for mountain bikers tackling steep descents, road cyclists seeking crisp gear changes, and folding‑bike commuters navigating urban streets. The derailleur’s versatile compatibility ensures reliable performance on diverse frames, from full‑suspension MTB rigs to lightweight road machines. Its unisex‑adult design accommodates riders of all skill levels, making it a go‑to upgrade for daily training, weekend adventures, and competitive events.

Why Choose Us
Relwears combines meticulous engineering with rigorous quality control, offering a 1‑year warranty that underscores confidence in every component. Each derailleur undergoes precision testing to guarantee smooth actuation and long‑term wear resistance. Our commitment to customer satisfaction includes detailed installation guides and responsive support, ensuring you get the most out of your upgrade.
Key Features
- GS long cage design minimizes chain skip and maintains optimal tension.
- Lightweight alloy construction reduces overall bike weight.
- Compatible with 9‑speed drivetrains and up to 34T chainrings.
- Universal fit for mountain, road, and folding bicycles.
- Easy direct‑mount installation with included hardware.
FAQ
Is this derailleur compatible with my 9‑speed bike?
Yes, the RD‑R3000‑GS is specifically designed for 9‑speed systems and works with chainrings up to 34 teeth.
Do I need additional mounting hardware?
The derailleur mounts directly to the rear dropout; no extra brackets are required, though a compatible hanger is recommended.
Can I use this on a road bike?
Absolutely. Its lightweight design and precise shifting make it suitable for both road and mountain bike applications.
What is the warranty period?
Relwears provides a 1‑year limited warranty covering manufacturing defects.
How do I adjust the limit screws?
Follow the included manual: set the high‑limit screw to align the jockey wheel with the smallest cog, then adjust the low‑limit screw for the largest cog, ensuring smooth range of motion.





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