To improve your shopping experience today and in the future, this site uses cookies.
I Accept Cookies
Enjoy your gravel and adventure rides more than ever with the precision control you need for cycling on unpredictable terrain.
Enjoy your gravel and adventure rides more than ever with the precision control you need for cycling on unpredictable terrain.
Shimano

Shimano GRX ST-RX820 2-Speed STI Bled with BR-RX820 FM Calliper - Left Rear

£349.99
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano GRX ST-RX820 2-Speed STI Bled with BR-RX820 FM Calliper - Left Rear

Brand:Shimano

Code:RX8202LR

Enjoy your gravel and adventure rides more than ever with the precision control you need for cycling on unpredictable terrain.

Designed specifically for gravel, adventure, and all-terrain cycling, the Shimano GRX ST-RX820 2-Speed STI delivers ergonomic comfort, powerful braking, and rugged durability. Engineered for stability on rough terrain, this 12-speed hydraulic disc brake system provides effortless modulation and control in all riding conditions.

Enhanced Grip & Braking Performance

  • Optimised Gravel Ergonomics – Higher brake lever axis and a curved brake lever improve grip and confidence on rough terrain and steep descents.
  • Raised Hood Head – Prevents hand misalignment and slippage for added stability.
  • Recessed Finger Notch – Enhances control by preventing upward slipping.
  • Anti-Slip Texture & Brake Lever Coating – Maximises braking efficiency and reduces fatigue on long rides.

Complete Kit for Seamless Installation

  • Factory-Bled System – Pre-bled left-hand ST-RX820 STI for hassle-free setup.
  • BR-RX820 Flat Mount Rear Brake Caliper – Reliable stopping power with included brake pads.
  • Durable Hose & Mineral Oil – Ensures smooth, responsive braking performance.
  • Rotor & Adapter Not Included – Allowing for customisation based on your setup.

Gravel-Specific Performance with Shimano GRX

Shimano GRX stands apart with its specialised gravel design, ensuring quiet, stable shifting and reliable braking for all-conditions riding. Whether you're tackling rough trails or long endurance rides, the GRX ST-RX820 delivers exceptional performance, control, and confidence.

Technical Information
  • Product Type
    Hydraulic Disc
  • Product Type
    Road & Drop Bar
  • Speed
    2 Speed
  • Discipline
    Gravel & Cyclocross
  • Colour
    Black
  • Size
    Double
  • Di2
    No
  • Shift Mechanism
    Mechanical
Sizing Information

General Unisex Brand Information

Professional Opinion

Also in the range

Home Gravel and Cyclocross Components Shimano Gears & Drivetrain