RainFlowwer 3x7 Speed Bicycle Twist Shifter Bike Shift Lever and 1 Pair Non-Slip Rubber Bike Handle Bar Grips for Mountain Bicycle

7 LEVEL 21SPEED: The inner diameter of this bicycle transmission cycle shifter is 0.9inch, which is very suitable for 7 level 21 speed mountain bike or bicycle.
MATERIAL: Made of high quality rubber material, soft, comfortable and anti-slip.
GREAT PERFORMANCE: This transmission set is perfect for mountain bicycle or bike speed shift, which is including speed shifter and handle grip, left and right a pair.
EASY TO INSTALL: Bicycle Speed Shifter Handle is easy to install and learn fast, bringing fun to cycling, adding more fun.
GUARANTEE: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails as soon.

Hello,