Shimano GRX Di2 STI ST-RX815 2-/11-speed Shift/Brake Lever

GRX Di2 ST-RX815 shift/brake lever by Shimano – with a higher lever axle
The Shimano GRX Di2 ST-RX815 electronic shift/brake lever has higher grip bumps, which accommodates the hand position when gravel riding. The axle is shifted upwards for greater braking power, reducing fatigue on long journeys. The ST-RX815s provides more grip and self-confidence on rough surfaces and in downhill passages.

Are you interested in the GRX series? Then have a look at our Shimano gravel site. You will find many more products there.
Information regarding the return of batteries and electrical equipment:Information on the return and disposal of batteries and electrical equipment can be found here.
Specifications:Series:GRX Di2 RX815Application:Gravel, Cyclocross, City & TouringGearing:2-speed, 11-speedShifting System:electronicBrake Type:hydraulicTechnical Information:Brake Lever Material:AluminiumLever Body Material:carbon (CFRP)Hose:SM-BH90-JK-SSR (not included)Actuation:mineral oilMount:clamp (closed)Reach Adjust:boltAdjustment Options:reach adjust, contact pointCompatibility:Clamp Diameter:23.8 – 24.2 mmPower Cable:EW-SD50 (2 x connection)Rear Derailleur:RD-R9150, RD-R8050, RD-9070, RD-6870, RD-RX805, RD-RX815, RD-RX817Front Derailleur:FD-R9150, FD-R8050, FD-9070, FD-6870, FD-RX815Crank:FC-R9100, FC-R9100-P, FC-R8000, FC-R7000, FC-RS510, FC-9000, FC-6800, FC-5800, FC-RS500, FC-U5000-2, FC-RX810-2, FC-RX600-11Cassette:CS-R9100, CS-9000, CS-6800, CS-5800, CS-R8000, CS-HG800-11, CS-R7000, CS-HG700-11, CS-M8000-11, CS-M7000-11, CS-M5100-11Chain:CN-9000, CN-6800, CN-HG901-11, CN-HG701-11, CN-HG601-11, CN-LG500Brake Caliper:BR-RX810 (recommended), BR-R9270, BR-R9170, BR-R8170, BR-R8070, BR-R7170, BR-R7070, BR-RS785, BR-RX820-LE, BR-RX400, BR-4770Additional Brake Lever:BL-RX812Features:safer on rough surfaces and in descentsthumb notch increases gripanti-slip brake lever, paintedtextured surface and larger humps keep the hand from slipping offhigher brake lever axle for more brake performancefaster brake contact thanks to Servo Waveprogrammable gearingE-Tube project ensures firmware updatesmultiple input: holdremote switchfunnel venting with M7 funnel (TL-BR002)Technology:STI Dual Control
Shimano Total Integration (STI) means the combination of braking and shifting functions in one lever, which increases safety when riding. By refining the technology, it became possible to make shifting so smooth at the front and rear that they can be triggered with just one finger. Shimano calls such levers Dual Control Levers (DCL).

Digital Integrated Intelligence (Di2)
Di2 systems are the electronic shifting systems from Shimano. They are based on the SEIS, the Shimano Electronic Intelligent System, which takes over the index shifting function from the mechanical components, only via power cables or radio signals and not via a Bowden cable. Shifting is done by simply pressing a button. This has the advantage that no great effort is required, your concentration on the ride is not disturbed and operation is easy even with cold hands. In addition, the electronic gear changes are very fast and highly precise. There is also no risk of a defective circuit due to dirty cables or other problems. You can adjust individual settings via the E-Tube Project, such as adjusting the shifting speed, the number of shifting operations per button press or the Synchro or Semi-Synchro shifting function. Shimano offers an app for this purpose. Gear maintenance and firmware updates are also done via E-Tube, with the bike connected to a PC running the appropriate E-Tube software for more extensive workshop work.

Servo Wave
Shimano Servo Wave technology optimises the travel of your brake levers. During the braking process, the brake pads are guided quickly to the brake rotor with very short lever travel. The greater part of the lever travel is reserved for the actual braking force. In this way, you can apply your braking power in a more targeted manner and use it more effectively.
Models:2-speed:
Mount:leftManufacturer Number:I-STRX815L
11-speed:
Mount:rightManufacturer Number:I-STRX815RContents:1 x Shimano GRX Di2 ST-RX815 shift/brake lever1 x Shimano TL-EW02 plug tool (11-speed version only)