2,For V-brake: Compatible with V-brake system. 3,For 22.2mm Handlebar: Suit for 22.2mm/0.87in diameter handlebar. 4,Separate System: Combination of the separate brake lever and gear shift systems. 5,Package Included: left & right shifter, stainless steel inner cables, The front gear position display allows you to view the gears clearly and quickly. Features: 1. Flexible Gear:The gears are flexible, the shifting is smooth,and the index is obvious. 2. Visible Gear Display: The visible gear display ensures a shift at a glance, convenient to use. 3. Brake Lever: The brake lever provides an ergonomic finger position and trigger handle. 4. Easy to Install: The installation is easy, the speed shifter work as soon as it is installed correctly.
Specification: Item: 21 Speed Shifter Set Model: ST-EF500 Speed: 3 x 7 Speeds ( Left 3 speed, Right 7 Speed ) Color: black Weight: about 360g Suitable for about 7/8" (22.2mm) bars Including Shifter inner cables