Upgrade your mountain bike maintenance with these high-quality M15*19 Splined Bottom Bracket Bolts, designed specifically for MTB bikes to ensure a secure and reliable fit. Crafted from premium aluminum alloy, these bolts combine strength, durability, and corrosion resistance, making them an essential component for enhancing your bike’s performance and longevity. Key Features: · Precision M15*19 Splined Design: Engineered for MTB bikes to provide a perfect fit and secure installation, ensuring optimal bottom bracket stability. · Premium Aluminum Alloy Construction: Offers high hardness, excellent wear resistance, corrosion resistance, and anti-rust properties for long-lasting durability. · Lightweight and Colorful Finish: Finely crafted with a smooth surface that is waterproof and dustproof, these bolts maintain their vibrant color without fading, adding both style and function to your bike. · Easy Installation: Compatible with a 10mm internal hexagonal wrench, designed to be tightened with a torque force of 30-50N·M for a secure and reliable assembly. Specifications: · Material: Aluminum Alloy · Size: M15*19 · Weight: Approx. 20g per bolt · Available Colors: Black, Red Package Includes: · 2 x Splined Bottom Bracket Bolts with Washers These splined bottom bracket bolts are lightweight yet robust, making them perfect for MTB enthusiasts who demand high performance and durability from their bike components. Enhance your bike’s bottom bracket stability and protect against wear and corrosion with these premium aluminum alloy bolts, designed for easy installation and long-lasting use.