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SKU: CKST2620

Shimano CUES FC-U4000-1 Crankset 170mm Aluminum Single Chainring for 9/10/11-Speed, Riveted 32T, Square Taper JIS Spindle, Black - MTB, Gravel, E-Bike Compatible, Wide-Range Gearing, Durable Lightweight Performance

Regular price $52.69
$52.00 Sale price $52.69 Regular price
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Description
Specifications

Upgrade your mountain biking performance with the Shimano CUES FC-U4000-1 Crankset - a rugged, reliable, and technologically advanced component designed for aggressive trail riding and demanding terrains. Crafted from durable yet lightweight aluminum, this 170mm crankset features a sleek black finish that complements any mountain bike setup. Engineered for versatility, it supports 9, 10, and 11-speed drivetrains, making it an ideal choice for riders seeking seamless compatibility and smooth power transfer.

Materials & Construction:

Constructed from high-grade aluminum, the Shimano CUES FC-U4000-1 crankset offers an optimal balance of strength and weight savings. Its riveted 32-tooth steel chainring provides durability and excellent chain retention, ensuring reliable performance over rough terrain.

Performance & Engineering:

Designed with Shimano's proven Dynamic Chain Engagement+ technology, this crankset features a specially shaped gear tip that enhances chain engagement and reduces the chance of chain drops. The 52mm chainline aligns perfectly with modern mountain bike hubs (135/142mm MTB and 141/148mm Boost Hubs), providing optimal clearance and stability. The 178mm Q-factor promotes a comfortable pedaling stance, reducing fatigue during extended rides.

Components & Technology:

The crankset uses a square taper JIS spindle interface compatible with 9/16" pedals, enabling easy installation and maintenance. It's optimized for use with LINKGLIDE and HG 11-speed chains, supporting smooth and precise shifting across a wide gear range. Designed specifically for frames with 68/73mm bottom bracket shells, a compatible BB-UN101 LL123 bottom bracket (sold separately) is recommended for installation.

Style & Use Case:

With its sleek black aesthetic, this crankset is perfect for trail and enduro riders who demand durability and style. Whether you're tackling technical descents, climbing steep inclines, or riding offthe-beaten-path terrain, the Shimano CUES FC-U4000-1 is engineered to grow your confidence and enhance your riding experience.

Innovative Features:

- Dynamic Chain Engagement+ for improved chain grip on tough terrains

- Supports multiple drivetrain speeds (9/10/11-speed) for versatile gearing options

- Designed for ebike compatibility, offering extra torque support for electric mountain bikes

- Suitable for a wide range of mountain biking disciplines, from XC to enduro

Upgrade your mountain bike with the Shimano CUES FC-U4000-1 Crankset for a combination of lightweight performance, robust engineering, and modern technology - built to elevate your off-road adventures.

  • Shimano CUES FC-U4000-1 Crankset with 170mm crank arm length delivers reliable performance across 9, 10, and 11-speed drivetrain setups for versatile cycling styles.
  • Constructed with durable yet lightweight aluminum crank arms, this crankset offers enhanced strength and reduced weight for sustained power transfer on challenging terrains.
  • Designed with a 32-tooth riveted chainring and advanced Dynamic Chain Engagement+ technology, ensuring optimal chain retention, smooth pedaling over rough trails, and reduced derailleur noise.
  • Compatible with 135/142 MTB hubs and Boost hubs, featuring a 52mm chainline for improved clearance and trail stability, making it ideal for mountain biking, gravel riding, and adventure cycling.
  • Features a square taper JIS spindle interface for easy installation and compatibility with frame shells of 68/73mm bottom bracket widths, equipped for e-bike capability with optimized gearing for confident off-road riding.
ColorBlack
Rings32
Number of ChainringsSingle
Crank Length (mm)170
Drivetrain Speeds9
Drivetrain Speeds10
Drivetrain Speeds11
BB IncludedNo
Pedal Spindle9/16"
Spindle Interface TypeSquare Taper JIS
Chainring BCDRiveted
Chainline/Hub Compatibility135/142 MTB Hubs
Chainline/Hub Compatibility141/148 Boost Hubs
Designed for ebikeYes
Defined ColorBlack
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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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