Mountain bike pedal loose how to do

Mountain bike foot loose check: 1, check whether the foot shaft is loose, if it is loose, it should be tight immediately, otherwise it will damage the crank thread, if the second time in the loose it will be replaced with the foot crank. 2. Check whether the spline stop on both sides of the central shaft is loose, and if it is loose and tight in time, it is OK. Extended information: mountain bike brake system 1, the brake system includes brakes, brake bars, brake lines. 2, mountain bikes use two kinds of brakes: [V brake], [disc brake], and ordinary bicycles [suspension brake] is not common. 3, V brake: The power is very large, because it is by friction ring brake, so the ring must be adjusted in place, and it is not easy to deform. 4, disc brake: compared with the V brake, it is not easy to hold the tire, when driving at high speed, it is dangerous to hold, which will lead to sideslip and rollover. The price of the disc brake is very expensive, the better ones are about 1,000 yuan, and the V brake 400 yuan can buy quite good. 5, the disc brake is divided into two kinds: hydraulic disc brake and mechanical disc brake, hydraulic disc brake depends on oil to press the brake pad, obtain a huge brake force, this brake is very common in the downhill car; The wire pull disc brake relies on the power of the finger to brake, which is actually more than enough for the XC. Reference source: Encyclopedia - Mountain Bike