Shimano Ultegra DI2 ST-R8150 STI Shifter Set Rim Brake 10-16 The Flexair Pants are a

The Flexair Pants are a game changer

The release lever of RapdiFire shifters from Shimano Alivio to XTR can be operated in this same manner but adds the ability to activate a release shift by pushing with the thumb

Compatible with modern 12-speed systems

Transmit heart rate data via ANT+ and BLE using this universal sensor - constructed from soft feel elastic and easily removable using a press stud

Choosing top normal or low normal always meant sacrificing shifting speed in one direction

Shimano Ultegra DI2 ST-R8150 STI Shifter Set Rim Brake 10-16 The Flexair Pants are aShimano ST R8150 STI Shift Brake Lever Set Ultegra 12 Speed Di2 (Rim Brake) FEATURES Rim Brake Dual Control Levers Quick and intuitive shifting Clearly defined click feeling with ergonomic shift lever Better bike control and confidence in race conditions Hood shape and texture optimise grip and brake power transmission PRODUCT SPECIFICATIONS Model No: ST R8150 Series: Ultegra R8100 Series Average weight: 295 grams ( pair) Shifter type: Dual Control