2x Universal 21 Speed Mtb Mountain Road Bicycle

Features:

• The bicycle shifter is made of premium iron &plastic; Anti-corrosion, durable & long-lasting.
• The bike right shift lever is a trigger type 7 speed shifter, with 1 lever for down-shifts and a thumb button for up-shifts.
• The left shifter is a friction/ ratcheting thumb lever for triple cranksets. 
• You can use only the left gear shifter for 3 speed and only the right shifter for 7 speed and both left and right shifter for 3x7 speed.
• This thumb gear shifter is universally fit for mountain bikes, city bikes, road bikes, folding bikes with a 22.2 mm/0.87-inch hand bar.

Package Includes:

• 2x Speed Shifter