The Ultegra R8150 Rim Brake levers weigh about 295 g for a pair of levers.
They're essentially the same as the previous generation Ultegra levers, except for the fact that they'll work with the 12-speed derailleurs - using the SD300 port type.
Using the affiliate links to purchase anything earns the site a small commission, at no additional cost to you.
Since these 12-speed rim brake shifters are essentially the previous generation shifters, they do not feature wireless shifting. You can only connect them to a Di2 system using EW-SD300 wires.
12-speed rim brake shift levers have two SD300 ports and one satellite shifter (SW-RS801-T / SW-RS801-S / SW-RS801-E) port.
Improve your battery life by 50%. Learn the step-by-step for wiring your 2x12-speed Di2 shifters and why.
Di2 rim brake shifters can only be connected by wire.. and even if you're on wireless disc Di2, you may still be interested in connecting your shift levers by wire...
Do you have small hands? Or extra large hands? Read this page to figure out how to change your Shimano Di2 shift lever (or shifter) reach.
Learn how to install Di2 drop bar levers commonly used on Di2 road bikes or Di2 gravel bikes. This walks you through the process and lists useful tips.
