Shimano RD-M3100 Alivio rear derailleur 9-speed Shadow design SGS long cage

From £44.99

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Price last checked: 11/09/2026

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Shimano RD-M3100 Alivio rear derailleur 9-speed Shadow design SGS long cage

Great value Alivio M3100 rear derailleur offering crisp performance on- and off-road for 9-speed drive trainsShadow design with smooth skid plate surface features a super low profile design that reduces the risk of damage from trail side hazardsWide link design increases rigidity and service lifeAlloy body and outer link leads to lower weight without compromising strength and durability11-tooth pulleys for reduced pulley wear and chain noiseAdvanced light action design with low friction fluorine coated link pivot bushingsFor use with 32 to 36 tooth low rear sprockets, total capacity 45 teethTop-normal swing designCompatible with 9-speed Hyperglide sprockets

Shimano RD-M3100 Alivio Rear Derailleur 9-speed Shadow Design SGS Long Cage

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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.