BM13891-4SS

The Mountain BM13891-4SS Light Guard Kit is an essential accessory for any serious mountain biker, designed to protect your bike's drivetrain from damage caused by rocks, roots, and other trail hazards. This guard kit is specifically engineered for the SRAM XX1 Eagle and XD-R drivetrains, ensuring a perfect fit and maximum protection.

The kit includes four lightweight and durable guards, each made from high-strength, impact-resistant polycarbonate material. The guards are designed to shield the rear cassette and chainrings from debris, preventing damage to the drivetrain and reducing the need for costly repairs or replacements.

The guards are easy to install, with no drilling or permanent modifications required. They simply bolt onto the bike using the included hardware, allowing for quick and easy removal for cleaning or maintenance. The guards also feature a sleek, low-profile design that does not interfere with the bike's chainline or pedaling efficiency.

The Mountain BM13891-4SS Light Guard Kit is an investment in the longevity and performance of your mountain bike. By protecting the drivetrain from damage, you can enjoy a smoother, more consistent riding experience, even in the most challenging trail conditions. Additionally, the guards help to prevent damage to the bike's frame and other components, saving you money in the long run.

In summary, the Mountain BM13891-4SS Light Guard Kit is a must-have accessory for any mountain biker looking to extend the life and performance of their drivetrain and bike. With its durable, lightweight design and easy installation, it is an affordable and effective solution for protecting your bike against the rigors of off-road riding.

Pros and Cons of buying a BM13891-4SS Light Guard Kit for Mountain Bikes

The BM13891-4SS Light Guard Kit is a popular choice among mountain bikers for adding extra protection to their bikes. This kit comes with four lights that attach to various parts of the bike, enhancing both safety and aesthetics. In this analysis, we will discuss the advantages and disadvantages of purchasing this light guard kit.

1. Increased Visibility: The primary function of the BM13891-4SS Light Guard Kit is to improve the visibility of your mountain bike, making it easier for others to see you, especially during low-light conditions.

2. Durable Construction: The lights are constructed using high-quality materials, ensuring they can withstand rough terrain and various weather conditions.

3. Multiple Mounting Options: The kit comes with various mounting options, allowing users to attach the lights to different parts of the bike, such as the handlebars, seat post, and wheels.

4. Long Battery Life: The lights have a long battery life, reducing the need for frequent battery replacements.

5. Attractive Design: The lights add an attractive and distinctive look to the mountain bike, enhancing its appearance.

1. Additional Cost: The BM13891-4SS Light Guard Kit represents an additional cost for mountain bikers, who may already have invested a significant amount of money in their bikes.

2. Complex Installation: Installing the lights may require some technical know-how and time, especially for those who are not familiar with bike mechanics.

3. Weight: The lights add extra weight to the bike, which could potentially affect its performance, although the difference is minimal.

4. Potential for False Positives: The lights may trigger false positives in some rearview mirror systems, which could be confusing for drivers.

The BM13891-4SS Light Guard Kit is an excellent investment for mountain bikers who prioritize safety and aesthetics. While it comes with some disadvantages, such as the additional cost and complex installation, the benefits, including increased visibility, durable construction, multiple mounting options, long battery life, and attractive design, outweigh the cons. Overall, if you are looking to enhance the safety and appearance of your mountain bike, the BM13891-4SS Light Guard Kit is a worthwhile consideration.

If you decide to purchase the BM13891-4SS Light Guard Kit, ensure that you have the necessary tools for installation and follow the instructions carefully to avoid any complications. Additionally, consider purchasing the kit from a reputable retailer to ensure that you receive authentic, high-quality lights.

Details:

This item comes with the full manufacturers warranty. The compatibility section is not always 100% accurate. May not be accurate.

Fast free, shipping: brand black Mountain, part number BM13891-4SS, upc code 7, condition new. The color, quantity, size, etc.

specifications interiorswoop:

• brand: Black Mountain
• mpn: Bm13891-4ss
• type: Auto
• upc: 856505005077

seller interiorswoop:

• # reviews: 12673
• rating: 99.3%
• city: flat rock, north carolina

offer interiorswoop:

• prices: $123.42–$135.74
• item condition: New
• started: october 16, 2025
• sold #: 17
• options: ship-to-home
• availability: in stock
• in stock #: 5

shipping interiorswoop:

• service: standard
• class: standard
• type: fixed
• transit: 4-6 days

general interiorswoop:

• category: Auto Parts > Car Truck > Interior Accessories

returns interiorswoop:

• time: 30 days
• policy: returns accepted
• paid by: seller

payments interiorswoop:

• wallet: google-pay
• credit card: discover
• other

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