Brake fluid can leak from the brake caliper of a mountain bike due to a few reasons. One common cause is a damaged or worn-out seal within the caliper, which can allow the fluid to escape. Additionally, if the brake line or hose is damaged or improperly connected to the caliper, it can lead to leaks. Over time, the caliper itself can develop cracks or corrosion, causing brake fluid to seep out. Any of these issues can result in a loss of braking power and should be addressed promptly to ensure safe riding. **

No, mountain bikes typically do not have a pedal brake. Mountain bikes are usually equipped with hand brakes, either disc brakes or rim brakes, which are operated by levers on the handlebars. These types of brakes provide better control and stopping power, especially in off-road and mountainous terrain. Pedal brakes are more commonly found on cruiser or city bikes, where simplicity and ease of use are prioritized over performance. **

To repair a mountain bike brake, first, check the brake pads for wear and replace them if necessary. Then, inspect the brake cables for any fraying or damage, and replace them if needed. Next, adjust the brake calipers to ensure they are centered and aligned with the wheel rim. Finally, test the brakes to make sure they are functioning properly and adjust the tension as needed. If the brakes still do not work properly, it may be necessary to bleed the brake system to remove any air bubbles. **

Without a detailed inspection, it is difficult to determine if the disc brake on the mountain bike is broken. Some signs of a broken disc brake could include unusual noises, reduced braking power, or difficulty in stopping the bike. It is recommended to have a professional bike mechanic inspect the brake system to accurately diagnose any issues. **

The brake on your mountain bike may be squeaking due to a few reasons. One common cause is dirt or debris buildup on the brake pads or rotor, which can create friction and noise when braking. Another reason could be worn brake pads that need to be replaced. Additionally, improper alignment of the brake pads or rotor can also lead to squeaking. Regular maintenance and cleaning of your brakes can help prevent squeaking and ensure optimal performance. **

The squeaking sound coming from the brake on your new mountain bike could be due to a few reasons. It is possible that the brake pads are new and need to be broken in, which can cause some initial noise. Another reason could be that the brake pads are not properly aligned with the rim or disc, causing them to rub against the surface and create a squeaking sound. Lastly, the squeaking could be a result of dirt or debris buildup on the brake pads or rim, which can be resolved by cleaning them thoroughly. **

The disc brake on a mountain bike may be rubbing due to several reasons. One common reason is that the brake caliper may not be properly aligned with the rotor, causing it to rub against the rotor as it spins. Another reason could be that the rotor itself is bent or warped, causing it to come into contact with the brake pads. Additionally, the brake pads may be worn unevenly or contaminated with dirt or oil, leading to rubbing. It's important to inspect and address these issues to ensure smooth and efficient braking performance. **

For an enduro mountain bike, I would recommend purchasing a set of hydraulic disc brakes. Hydraulic disc brakes offer powerful and consistent braking performance, which is essential for the demanding terrain and high speeds encountered in enduro riding. Additionally, they provide better modulation and heat dissipation compared to mechanical disc brakes, making them a more reliable choice for aggressive riding. Look for a reputable brand with a good track record for durability and performance. **