Style: Right


SHIMANO's GRX Series ST-RX810 shift/brake levers feature the new Servowave technology. This improves the bike's shifting control performance in ever-changing road conditions.

The ergonomic lever and grip design of the GRX series was developed in collaboration with gravel specialist riders around the world, and the new shape of the brake levers helps improve grip. Rest assured that the shift levers' smooth and reliable capabilities are based on SHIMANO's top-level groupset.

*A complete set of shift cables is included; brake cables are not included.
*Left and right are sold separately.


Series: GRX RX810
Gearing: 2x11 speed
Shift system: mechanical
Brake system: hydraulic, 2-piston
Brake lever material: aluminum
Lever body material: composite
Clamp material: steel
Hose: SM-BH90-JK-SSR (not included)
Oil typE Mineral oil
Mount: Clamp (closed)
Reach adjustment: Bolt type


New lever and grip shape designed for gravel in changing conditions
- Non-slip brake levers
- Proven light shifting performance with Shimano groupset
- Fast braking action with Servowave technology
- Compatible with SHIMANO 11-speed road rear derailleurs Compatible with SHIMANO 11 speed road rear derailleurs
・Polymer coated shifter cables
・Fits 23.8 - 24.2 mm handlebars
・Recommended brake caliper: BR-RX810

  1. We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
  2. Messenger delivery is available within Nagoya City only.
  3. We ship every day from Monday to Sunday, except on temporary holidays.
  4. Available delivery areas: All over Japan and the world.
  5. Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
  6. The product will be shipped from Circles.
  7. Please contact the shipping company in case of damage or loss during shipping.

Regarding the delivery of complete bikes

  • Please note that a separate shipping fee of 9,900 yen (tax included) will be charged for shipping complete bikes. (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • After receiving your order, we will do a final check and ship complete bikes, but it may take 1-2 weeks. Please understand.
  • We will send the bike with some parts removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
  • We will inform you of the delivery date and other details by e-mail.
  • We apologize for any sales discrepancies at the store.

Regarding the delivery of frame sets

  • Nationwide flat-rate shipping: 5,500 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • We will inform you of the delivery date and other details by e-mail.
  • We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
  • We can also install a headset and BB for a fee, so please feel free to contact us.

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