Shimano CUES RD-U4020 rear derailleur – 2x9-speed Shadow

Shimano CUES RD-U4020 rear derailleur – 2x9-speed Shadow RD for city, trekking & MTB

Reliable shifting performance for everyday use and adventures
The Shimano CUES RD-U4020 rear derailleur is the ideal choice for riders seeking a durable, precise, and low-maintenance derailleur – whether for city riding, trekking tours, or light trails. Designed for 2x9-speed Linkglide drivetrains , it offers the smooth and quiet shifting performance you expect from Shimano. A particularly practical feature: this model is also approved for e-bikes and easily withstands the increased demands of electric drivetrains.

Shadow RD design for increased safety and durability
With its Shadow RD design, the RD-U4020 has a lower profile that significantly reduces the risk of collisions with obstacles – ideal for riding in urban or rough terrain. The robust mechanism ensures consistent chain tension and precise shifting, even under heavy load.

Durable materials and solid construction
Made from a combination of steel , aluminum , stainless steel , and a polyamide-glass fiber composite , this derailleur impresses with its stability and durability. This high-quality material mix guarantees a long service life – perfect for frequent riders, commuters, and recreational cyclists alike.

Wide compatibility and easy integration
The Shimano CUES RD-U4020 is compatible with Shimano MTB 9-speed Linkglide systems and can be easily integrated into existing 2x9-speed drivetrains. With a total capacity of 41 teeth and a maximum sprocket size of 36 teeth, it offers the optimal gear range for a wide variety of applications.

Highlights of the Shimano CUES RD-U4020 rear derailleur

• Designed for 2x9-speed Linkglide systems
• E-bike compatible – ideal for modern pedelecs
• Shadow RD technology for a low-profile design and impact protection.
• Smooth shifting behavior even under load
• High-quality materials for maximum durability
• 41-tooth capacity , suitable for cassettes up to 36 teeth
• 11-tooth derailleur pulleys for precise chain guidance