Package includes. 2pcs transmission, 2pcs brake line .All shifters come with wires. 24-speed control will make you more flexible. It will be much easier to control your bike, improve variable speed performance. Perfect for people who love riding and outdoor cruising for a long time. Premium Quality The cables have a lot of length and can be exchanged very easily on the housings of the bike. The bike shift/brake handle offers an ergonomic finger position and a trigger-style grip. Ergonomically designed for more comfortable operation. It can also reduce noise. Easy to install and removeInstallation was simple and only required a few hex head screwdrivers and a screwdriver. Visual gear position display confirms gear position with a number at a glance. for a broader view of the gear display, just take a look at the gear changes. Safer for your riding. 3 x 8 Speed AdjustableDo you want to control your bike easier? Our bike shifter set comes with 3-speed dial with your left hand, 8-speed dial with your right hand. making shifting smooth and quick like high-end shifters on the road bike. You can suddenly increase the torque by a LOT to accelerate and then cruise at leisure. Widely CompatibleCan be compatible with pull-type, cantilever, disc brakes, roller and mechanical. The scope of application is a handlebar with a diameter of 21 to 23 mm. Suitable for mountain bike, trekking bike, city bike, etc. Please note that due to manual measurement and display differences, there may be slight differences between individual products and photos.