Shimano RD-U4000 CUES rear derailleur GS medium cage 9-speed

From £49.99

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Cycles UK
£49.99

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Price last checked: 03/10/2026

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Shimano RD-U4000 CUES rear derailleur GS medium cage 9-speed

Introducing the durable and versatile Shimano CUES RDU4000 rear derailleur, optimised for all mid-grade riding styles. The advanced LINKGLIDE technology ensures durability and smooth shifting, with the capability to outlast current Hyperglide drivetrain by up to 300%. The Shadow design of this rear derailleur features a super low profile and optimised slant angle to promote light shifting action and improved clearance, enhancing your ability to conquer any terrain. Its wide link design increases rigidity, maximising the gear changing performance and prolonging the products lifespan.Key features of the RDU4000 unit include a Fluorine-coated link pin bushing for reduced friction, large 13 tooth pulleys for longer life and an aluminium bracket body with robust steel outer and inner plates. Ready for any ride, this rear derailleur is designed for a single ring and has a total capacity of 35T, making it suitable for a wide range of gear combinations.Effortlessly shift through your 9-speed s...

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GS - MEDIUM £49.99

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About: Shimano

Shimano is a leading brand in the cycling industry, renowned for its high-quality components and innovative technology. The company offers a range of cycling products, including drivetrains, brakes, wheels, pedals, and shoes. Shimano's drivetrain components, such as its derailleurs and shifters, are widely regarded as some of the best on the market, providing smooth and reliable shifting for cyclists of all levels. The company's disc brakes are also highly regarded, providing excellent stopping power and modulation. With a commitment to innovation and a focus on the needs of cyclists, Shimano continues to be a go-to choice for cyclists looking for top-of-the-line components for their bikes.

About: Cycles UK

Cycles U.K. is a notable cycling retailer with a presence in the United Kingdom, specializing in providing a wide range of bicycles, accessories, and cycling gear. The store caters to cyclists of various disciplines and skill levels, offering a diverse selection of bikes, including road bikes, mountain bikes, hybrids, and electric bikes. In addition to bicycles, Cycles U.K. supplies a comprehensive range of cycling accessories, clothing, and components. Known for its commitment to customer service and product expertise, the retailer aims to assist cyclists in finding the right equipment for their needs. Whether through its physical stores or online platform, Cycles U.K. serves as a go-to destination for individuals looking to purchase quality cycling products and receive expert guidance in the United Kingdom's cycling community.