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SKU: CKST2821

Shimano GRX FC-RX610-2 Gravel Crankset 172.5mm, 12-Speed with 46/30t Chainrings, Hollowtech II Spindle, 47mm Chainline, Black - Lightweight, High-Efficiency, Gravel-Centric Cycling Component for Mixed-Terrain Performance

Regular price $180.00
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Description
Specifications

Elevate your gravel riding with the Shimano GRX FC-RX610-2 Crankset - the perfect blend of lightweight design, versatile gearing, and advanced engineering tailored for mixed-terrain cycling. Crafted from durable materials and featuring cutting-edge Shimano technology, this 12-speed crankset ensures optimal performance on rugged trails, challenging climbs, and smooth descents.

Materials & Construction:

Built with Shimano's Hollowtech II spindle interface, the FC-RX610-2 crankset offers unparalleled strength and stiffness while maintaining a lightweight profile. The black anodized finish not only provides a sleek, modern aesthetic but also enhances durability against harsh riding conditions.

Performance & Engineering:

Designed specifically for gravel and mixed-terrain riding, this crankset features a 46/30t gear combination that preserves your cadence on rough surfaces and steep inclines. The smaller gear steps deliver smooth, predictable shifting, allowing you to maintain optimal rhythm regardless of terrain. The 110mm BCD with Shimano's asymmetric design ensures efficient power transfer and compatibility with HG 12-speed chains, maximizing drivetrain performance.

Components & Technology:

The FC-RX610-2 integrates Shimano's advanced Hollowtech II spindle technology for enhanced stiffness and weight savings. Its 47mm chainline guarantees clearance and compatibility with a variety of hub standards, including 135 and 142mm road disc hubs, suitable for a wide range of gravel frames. The crankset's 172.5mm arm length is engineered for comfortable riding posture and efficient pedaling.

Style & Use Case:

With its sleek black finish and rugged construction, the Shimano GRX FC-RX610-2 Crankset embodies a functional yet stylish look perfect for serious gravel cyclists and adventure riders. Whether you're tackling technical off-road sections or cruising on mixed-terrain routes, this crankset ensures reliable performance and unwavering durability.

Innovative & Differentiating Features:

- Gravel-optimized 46/30t gear ratios for versatile terrain adaptation

- Smaller chainring BCD (110 Shimano asymmetric) for lightweight efficiency

- Compatibility with HG 12-speed drivetrains for smooth shifting

- 47mm chainline for optimal hub clearance and chainring positioning

- Hollowtech II spindle for maximum strength-to-weight ratio

Upgrade your gravel bike with the Shimano GRX FC-RX610-2 Crankset - engineered for those who demand durability, performance, and style on every adventure. Conquer every trail with confidence and control.

  • Optimized for gravel riding with a durable, lightweight carbon steel chainring and aluminum crank arms, the Shimano GRX FC-RX610-2 Crankset delivers high-performance durability in demanding terrains.
  • Featuring a 46/30t compact gear ratio and smaller gear steps, this 12-speed crankset ensures smooth cadence control and efficient power transfer on mixed and rough surfaces.
  • Built with Shimano Hollowtech II spindle interface and 172.5mm crank length, it provides superior stiffness, precise shifting, and seamless integration with HG 12-speed chains for reliable drivetrain performance.
  • Designed for versatility, the black finish and sleek styling make this crankset an ideal choice for gravel, adventure, and endurance riders seeking durability and style in one package.
  • With a 47mm chainline and compatibility with 135/142mm road disc hubs, the Shimano GRX FC-RX610-2 offers optimal alignment and clearance for enhanced handling and performance across diverse terrain conditions.
ColorBlack
Rings46/30
Number of ChainringsDouble
Crank Length (mm)172.5
Crank Intended UseGravel
Drivetrain Speeds12
BB IncludedNo
Pedal Spindle9/16"
Spindle Interface TypeShimano Hollowtech II
Chainring BCD110 Shimano Asymmetric
Chainring BCD80
Chainline/Hub Compatibility135/142 Road Disc Hubs > 415 mm Chainstay
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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