Shimano Ultegra Di2 ST-R8170 12 Speed Shifter + Flat Mount Caliper FE-EOFY26 particularly on blistering hot days

particularly on blistering hot days when palms get sweaty

Don't heat them or wash with solvents

it’s 10-50 tooth gear range has open the door for an entire ecosystem of Eagle™ groupsets

The Targeted Airflow Pattern of the KICKR HEADWIND is designed to mirror the shape and position of a cyclist's body while riding on a bicycle

Shimano Ultegra Di2 ST-R8170 12 Speed Shifter + Flat Mount Caliper FE-EOFY26 particularly on blistering hot daysRoad riding has never been this much fun. The redesigned Shimano Ultegra Di2 ST R8170 12 Speed Shifter and Flat Mount Caliper has all new ergonomics, even more precise brake modulation and wireless electronic shifting, letting you focus on the next sprint, the next descent, or the next joke from your riding partner. Shimano's ULTEGRA ST R8170 brake levers bring enhanced modulation and control to every ride using Shimano's proven SERVO WAVE technology.