Left hand trigger can be set for either a double or triple crank- no need for a dedicated double or triple shifter set
Adjustable mounting brackets allow the rider to customize the position of each trigger
Instant release, multi-release, and two-way release make these Shimano's fastest shifting triggers, EVER!
New Vivid indexing makes for light yet extremely positive shifts
M780 shifters for use with Shimano 10-speed mountain bike drivetrains only