Skip to product information
1 of 1


Shimano GRX ST-RX815-L Shifter

🇬🇧 Price includes VAT and taxes

Regular price
Regular price
Sale price

Designed for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress-free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond.

The Shimano GRX ST-RX815-L shifter is shifter only (no caliper).

  • Raised hood head prevents hand misalignment and slippage

  • Recessed finger notch prevents upward slipping

  • Anti-slip texture and brake lever coating

  • Improved braking input performance

  • Higher brake lever axis and curved brake lever

  • Improved grip and confidence on choppy surfaces and descents

  • Higher braking efficiency reduces fatigue on long rides

  • Series: Shimano GRX Di2 11-speed

  • Brake Fluid: Shimano mineral oil

  • Recommended Brake Caliper: BR-RX810 (sold separately)

  • Compatible Brake Hose Kit: SM-BH90-JK-SSR (sold separately)

  • Recommended Brake Rotor: SM-RT800 (sold separately)

  • Free Stroke Adjust: Yes

  • Servo Wave Mechanism: Yes

  • Tooled Reach Adjust: Yes

  • E-tube Ports: 2

  • Compatible Derailleur Type: 11-speed road Di2

  • 1x11 Recommended Cassettes: CS-M8000, 11-40t/11-42t

  • 2x11 Recommended Cassettes: CS-R8000, 11-30t/11-32t; CS-HG800-11, 11-34t

Return Policy

Please email for returns, defects or order issues. Do not contact our chat support.

Final Sale

Items marked Final Sale are not returnable for any reason.  If there is a problem with your order please send an email to

Our Policy

To provide our customers with the flexibility and confidence to shop online, our return policy is 30 days. If opened, items must be defective or unused, and returned with original undamaged packaging to be eligible for a refund. All returns must be pre-approved via our return centre before being shipped back to our warehouse or returned in person to our 2205 West 1st location in Vancouver. Refunds can take up to 7 days to process and are reflected on your method of payment. Refunds will only be issued once the product is received, inspected, and approved by our receiving team. The amount will be refunded to the original form of payment and, in some circumstances, we may charge a restocking fee or refund to store credit. The date on which you placed your order is used to determine the return time frame.

Returns, not exchanges.

We do not offer exchanges. If you are looking for another size or colour, place a new order through our website, and then visit our return centre.

Shipping and Fulfilment

Order Fulfilment, Delivery, and Local Pick-up:

In-stock orders will be ready for pickup within 24-48hrs. Please wait for confirmation email prior to pickup.

In-stock orders will be shipped within 24-48 hours of placement.

For local pick-up, we will contact you when your item is ready. Please bring a copy of your order confirmation and identification when you pick up your order.

Shimano GRX ST-RX815-L Shifter - Shimano