Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

Load image into Gallery viewer, Shimano-GRX-FC-RX820-Crankset-175-mm-Double-12-Speed-CKST2828-Bicycle-Crankset
Load image into Gallery viewer, Shimano GRX FC-RX820-2 Crankset - 175mm, 12-Speed, 48/31t, 110/80 BCD, Hollowtech II, Black

SKU: CKST2828

Shimano GRX FC-RX820-2 Gravel Crankset 175mm | 12-Speed Hollowtech II, 48/31t Gear Ratios, 47mm Chainline | Lightweight, Durable Aluminum, Optimized for Mixed-Terrain Riding & Gravel Cycling

Regular price $280.00
$311.95 Sale price $280.00 Regular price
Sale Sold out
Unit price
/per 
Save 10%
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description
Specifications

Boost your gravel adventures with the Shimano GRX FC-RX820-2 Crankset - a high-performance, 12-speed double crank designed specifically for versatile mixed-terrain riding. Crafted with precision and innovation, this crankset combines lightweight engineering, advanced component technology, and strategic gearing options to elevate your cycling experience on rugged trails, gravel roads, and beyond.

Materials & Engineering:

Built with Shimano's Hollowtech II construction, the FC-RX820-2 crankset offers exceptional strength and stiffness while remaining lightweight at just 710 grams. The durable aluminum crank arms ensure reliable performance across challenging terrains, while the 17T chainring range provides a balanced combination of durability and efficiency.

Performance & Components:

Engineered for sediment-heavy, mixed-terrain environments, this crankset features a gravel-optimized 48/31t gear combination that maintains a smooth rhythm over rough surfaces. The 12-speed HG chain compatibility ensures seamless shifting and excellent chain retention, even under demanding conditions. The 47mm chainline and 135/142 mm road disc hub compatibility maximize clearance and drivetrain efficiency, enhancing your ride's responsiveness.

Technology & Innovative Features:

This crankset's asymmetric 110/80 BCD allows for versatile chainring options and optimal power transfer. The Hollowtech II design provides superior stiffness with reduced weight, while the smaller gear steps improve cadence control on variable terrain, giving you precise handling and climbing capabilities.

Style & Use Case:

With a sleek matte black finish, the FC-RX820-2 offers a modern aesthetic that complements any gravel or adventure bike. Whether you're battling steep climbs, tackling rocky sections, or cruising long-distance gravel routes, this crankset is engineered to handle demanding rides with confidence. Its robust construction and thoughtful gearing make it ideal for riders seeking durability, efficiency, and versatility.

Key Features at a Glance:

- Gravel-optimized 48/31t chainrings for varied terrain

- Suitable for 12-speed Shimano HG chains

- Hollowtech II crank arms for strength-to-weight ratio

- 47mm chainline for optimal clearance and stability

- Compatible with 135/142 mm road disc hubs and 415 mm chainstays

- Precise cadence control with smaller gear steps

- Sleek black finish for a refined look

Upgrade your gravel or mixed-terrain bike with the Shimano FC-RX820-2 Crankset-designed for durability, efficiency, and style in the toughest riding conditions. Experience smoother shifts, confident power transfer, and lightweight performance on every adventure.

  • Optimized for gravel riding with a versatile 48/31t gear ratio to maintain momentum on rough terrain and variable surfaces.
  • Constructed with Shimano's Hollowtech II technology, the crankset delivers exceptional strength, stiffness, and lightweight performance for demanding rides.
  • Compatible with 12-speed HG chains, this crankset features a 110/80 BCD and 175mm crank arm length, ensuring precise shifting and optimal pedal efficiency across diverse terrains.
  • Designed with a sleek black finish and modern aesthetic, this gravel-specific crankset pairs seamlessly with a wide range of bike styles and enhances your bike's overall look and performance.
  • Innovative features include smaller gear steps for smooth cadence control on mixed terrains, combined with a 47mm chainline and 151mm Q-factor for improved rider comfort and efficient power transfer.
ColorBlack
Rings48/31
Number of ChainringsDouble
Crank Length (mm)175
Crank Intended UseGravel
Drivetrain Speeds12
Weight710
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
Shipping
Returns
About Us
Contact Us

We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*Please allow up to 3 business days for us to process your return*

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!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

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. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

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

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)