Shimano CUES FD-U4000-M 9/10-speed Front Derailleur Side-Swing

The Shimano CUES FD-U4000 2 x 9/10-speed front derailleur is available as a direct-mount (FD-U4000-D), E-type (FD-U4000-E) version and for the middle clamp position (FD-U4000-M). The switching performance is improved, among other things, by the side-swing technology, which creates 15 mm more clearance between seat tube and tire.

The ultimate long-lasting component system: CUES LINKGLIDE FD-U4000 9/10-speed front derailleur from Shimano

Tackle trails with this front derailleur's smooth and quiet shifting. It is compatible with 2x9 and 2x10-speed drivetrains, with 36-22T and 40-26T gearing options optimized for large-wheel mountain bikes.

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Features - Shimano CUES FD-U4000 2x9/10-speed Front Derailleur Side-Swing

• Smooth shifting by Side-Swing mechanism
• Increased tire clearance of 15mm allows for shorter chainstays
• Adapt 48.8mm, 51.8mm chainline
• Smooth and quiet shifting on and off the trail
• SIDE SWING design provides smooth and efficient front shifting
• Wider tire clearance
• Extra-wide range with front double with 36-22T and 40-26T
• Total capacity: 14T
• Only compatible with LINKGLIDE shifting system

Product features

• Use: MTB, Trekking
• Group: CUES U4000
• Model: FD-U4000
• Cable route type: Front Pull
• Gear front: 2-speed
• Gear rear: 9/10-speed
• Top gear teeth: 36/40T
• Total capacity: 14T
• Compatible Chain: LINKGLIDE, HG 11-speed
• Chain stay angle: 64-69°
• Chain line: 48.8mm (142mm) / 51.8mm (148mm Boost)

Material

• Aluminum
• Stainless steel
• Steel

Technologies 

LINKGLIDE
LINKGLIDE delivers seamless shifting and pedaling performance that's made to last. LINKGLIDE will support stress-free riding and ownership experiences for evolving bike types and riding styles for years to come. It is an exceptionally durable drivetrain built to stand up to persistent daily wear and provide enduring shifting and pedaling performance for multi-purpose bikes and high-torque e-bikes. The robustly engineered cassette design shifts up and down gears seamlessly while significantly reducing drivetrain wear. LINKGLIDE is the ultimate utility drivetrain that delivers long-lasting performance.

LINKGLIDE Key Features

• Smooth and decisive shifting and pedaling performance that's made to last.
• Optimized shifting gate design.
• Robust cassette teeth resist damage when shifting and driving under high torque.

Side-Swing
Designed specifically with modern trail bikes in mind, Shimano’s Side-Swing front derailleur provides 15mm of increased tire clearance, while new cable routing dramatically reduces shifting effort. Designed for larger wheels and longer travel, brings Shimano’s industry-leading front shifting to another level.