To loosen the brakes on a mountain bike, first, locate the brake pads and find the adjustment dial. Turn the dial counterclockwise until the brakes are loose enough to allow the wheel to spin freely. If the dials are maxed out and the brakes are still too tight, the brake cables may need to be adjusted. Use an Allen wrench to loosen the cable at the brake lever, pulling the cable through and readjusting the tension until the brakes are at the desired looseness.

Mountain bikes typically have anywhere from 1 to 12 gears, depending on the type of riding they are designed for. Entry-level bikes generally have between 3 and 7 gears, while high-end bikes may have 10 to 12 gears. The number of gears on a mountain bike is important because it determines the range of speeds that the bike can handle, with more gears providing a wider range of possible speeds and better performance over diverse terrain.

To do a 180 on a mountain bike, begin by gaining some speed and leaning back slightly on the bike. Then, as you approach the turn, turn your head and shoulders in the direction you want to spin while pulling back on the handlebars. Lift the front wheel off the ground by pushing down on the pedals and twisting your hips. As you spin, continue to look over your shoulder until you complete the 180-degree turn. Finally, land smoothly by releasing the brakes and straightening out the bike.

To put mudguards on your mountain bike, start by removing the wheels and cleaning the frame and fork where the mudguards will be attached. Attach the brackets to the mudguards and then attach the brackets to the frame and fork using the bolts provided. Adjust the position of the mudguards so that they sit flush with the tires and don’t rub against the frame. Finally, reattach the wheels and test your mudguards to make sure they are secure and provide adequate coverage.