Shimano Shift Switch SW-9160, Dura Ace Di2, Bar End Shifter for TT Handle, Right & Left Bike Accessories Brand_Challenge providing precise and reliable gear

providing precise and reliable gear changes with the push of a button

rear and top impacts over its predecessor

including rough roads and gravel

R5: a combination of a ride compliant carbon reinforced nylon shell and an S-Alloy rail

the BTA Tilt Bracket includes a tilt capable wing that is zip tied to the extensions

Shimano Shift Switch SW-9160, Dura Ace Di2, Bar End Shifter for TT Handle, Right & Left Bike Accessories Brand_Challenge providing precise and reliable gearEasy to push the thumb switch when gripping the top of the TT extension. AVERAGE WEIGHT 31g SERIES Dura Ace Di2 GENERATION R9160 FRONT SPEEDS N A REAR SPEEDS N A ST SL SW SHIFTER TYPE Aero Bar Shifter