Shimano Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever Rim Brakes - Left 2x BLK ModelNumber=J2621 Combining ethically-sourced merino wool and

Combining ethically-sourced merino wool and 4-way stretch

ChainKMC X12L-1

Made with 2024 aircraft alloy Stem Angle (deg) -15 Defined Color Black S

However the true highlight is the lightweight and low-profile Solix SL hub and spoke configuration

Shimano Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever Rim Brakes - Left 2x BLK ModelNumber=J2621 Combining ethically-sourced merino wool andShimano Ultegra ST R8150 levers combine the accuracy of Shimano 12 speed Di2 shifting with the light weight of rim brakes. Quick and intuitive shifting Clearly defined click feeling with ergonomic shifting lever Better bike control and confidence in race conditions Hood shape and texture optimize grip and brake power transmission Brake Lever Actuation Short Pull Super SLR Double or Triple Double Color Black Includes Brake No Drivetrain Speeds 12 Front