3×7/3×6 Speeds Set Levers Thumb Friction Trigger

About this item High Quality Material: Made of sturdy aluminum alloy and stainless steel material with good heat resistance and rust resistance, (200cm/59-79inch) can be used for a long time. Bike Replacement Shifting Kit: it is the preferred replacement shifting kit for mountain bikes, road bikes, bicycles, recreational bikes, folding bikes, etc. Easy to Use: Suitable size design. With good compatibility for 22.2mm diameter handlebars, can be installed and used directly. Reduce Riding Fatigue: A good derailleur can effectively reduce cyclist fatigue while riding, making riding more comfortable and convenient. More Practical: The derailleur allows you to adjust the pedaling speed and energy consumption, and the function keeps expanding to more value-added parts.