Not exactly. And a pneumatic fork controlled by wire. Wire control and shoulder control have nothing to do with oil pressure. Generally, there are two versions of front forks of various models: shoulder control and wire control. There is a finger on the right shoulder of the front fork, which can adjust the stroke of the front fork and lock it. This is the shoulder control. If it is wire-controlled, it will extend a wire on the right shoulder and install it on the handlebar. You can adjust the front fork by pulling your finger. It's more convenient to control your shoulders with wires. The front fork is generally divided into: hard fork-no shock absorption function; Oil spring fork-spring elasticity; Air fork-air damping.

There are two kinds of V-brakes, one is mechanical, and the friction force is generated on the rim by pulling the paw through the cable. The other is oil pressure, which is braked by oil pump. There are also two kinds of disc brakes, one is hydraulic and the other is mechanical. It is braked by steel wire or oil pressure to pull the disc or oil pressure to push the disc. Wire brake is a general term for V-type brake and wire reel.