Shimano SL-TX30 Tourney Shifter Set Description: The Shimano SL-TX30 Tourney shifter set is the perfect choice when upgrading your 3x7-speed bike. The optical gear display makes it easy to know which gear you're in at all times. The shifter set also includes cables and cable housing so you'll find everything you need right out of the box. Features: Optical gear display SIS indexed shifting lncludes cables and cable housing 3x7 speed Specifications: Shifter Style: Thumb Speed: 3 x 7 Speed Derailleur Compatibility: Shimano Road & Mountain (6, 7, 8, 9 Speed) Shift Mechanism: Cable Actuated Color: Black Weight: -