Description
Bike 3x7 speed gear shifters are made of high quality aluminum alloy for durable use; High strength not easily deformed..With ergonomically designed finger position and trigger-style handle. EF51-7: 3x7-21 speed.Compatible with liner-pull, cantilever, roller, and mechanical disc brakes. Fit for 21-23mm/ 0.83-0.9inch diameter handlebar..Package includes 1 pair mountain bike gear shifters with brake cable & visible optical gear display indicator..Suitable for most kinds of bicycles including mountain bike, trekking bike, town bike, road bike, Fixed Gear Bike, MTB, etc.