Shimano TiagraThe Tiagra provides modern functional technology for sports and fitness riders, which is based on the technology of the top groups, but still has its own and distinctive identity.SIS Rear Index Shifting SystemThe Shimano Index System is composed of the shift lever with grid function and a friction-minimized SIS shift cable, which controls the smooth-running rear derailleur.Reach AdjustThe brake lever is equipped with a grip width adjustment. This allows the handle to adapt to the size of the rider's hand or his riding style or personal preferences. - Purpose: derailleur - Type: Dualcontrol - Application: road bike shift lever - Scope of delivery: left lever - Compatibility left: 2-speed Scope of delivery - Included: shift cable.