About Shimano Cues RD-U4000 Shadow Linkglide 9 Speed Rear Derailleur
The Shimano CUES RD-U4000 LINKGLIDE 1 x 9-speed rear derailleur with SHADOW RD technology impresses with smooth and reliable shifting performance. This versatile 1 x 9-speed rear derailleur provides seamless shifting and efficient pedaling for uninterrupted trail enjoyment. The flat design and chain stabilization provide generous safety reserves even for rougher terrain.

The ultimate long-lasting component system: CUES LINKGLIDE RD-U4000 9-speed rear derailleur from Shimano. LINKGLIDE consistently delivers smoother, more even pedaling while shifting that you can barely feel at your feet. LINKGLIDE's optimized shifting gate design that creates a smoother handoff between cogs to avoid the jumps that can impact shifting and pedaling smoothness. This design improvement is especially pronounced on outward shifts where pedaling shock is more noticeable due to the larger forces involved.

Drivetrain durability is essential for high torque e-bikes and daily riders who might ride in the same gear for months or years at a time. LINKGLIDE provides smooth and decisive shifting that lasts longer than ever before. LINKGLIDE's re-designed cassette teeth have a substantially thicker base and a unique chamfer that drastically improves wear resistance in high torque applications. This increase in cassette durability prolongs smooth driving performance and lengthens the amount of time before chain skips caused by wear start to happen.

Features
Stable drivetrain performance on trails, gravel, and city streets

Optimized geometry and spring tension reduce chain drop

Low-profile design is optimized for rough terrain

Total capacity: 35T

Max low sprocket: 46T Min low sprocket: 41T

Designed and tested to provide enduring e-biking performance

E-BIKE RATED

Only compatible with LINKGLIDE shifting system

Specifications
Use: MTB, Trekking, E-Bike

Group: CUES U4000

Model: RD-U4000

Mount: Direct attachment (Conventional)

Technology: Shadow RD

Gradations: GS-Type 1x9-speed

Compatible chain: LINKGLIDE, HG 11-speed

Max. teeth large sprocket: 46T

Min. teeth large sprocket: 41T

Max. teeth small sprocket: 11T

Min. teeth small sprocket: 11T

Max. Front Difference: 0T

Total Capacity: 35T

About Shimano
Shimano is a Japanese multinational manufacturer founded in 1921 by Shozaburo Shimano. They are well known as the largest bicycle component manufacturer in the world with their main manufacturing plants in Kunshan, China; Malaysia; and Singapore. Along with cycling components they also produce fishing tackle, and rowing equipment.