●Compatible with Shimano 5800 6800 R7000 R8000 ●Invented THREE-IN-ONE Technology makes SENSAH Shifter-lever Changing gears easier and faster.Eliminate any confusion about two-lever and therr-lever systems. ●Longer Shifter lever to improve the reach from the hood.Lever lock mechanism eliminate shifting while braking operation ●Weight: 236g on the left; 241g on the right, 477g in total, including brake cable ●Worry free after-sales, officially authorized distribution. Please contact customer service for any questions