Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity. This Shimano Cycling small part is known as: ISL4700LB. It has a UPC of: 689228927254. The Shimano replacement part is for: Shift Lever, Sl-4700, Tiagra, For Flat Handle Bar Road, Left 2-Speed Rapidfire Plus, 1800Mm Inner, Optical Gear Display, Ind.Pack