Extralite Racing Products Rotor Bolts

These bolts are designed for standard M5 x 0.8 thread patterns, which covers the vast majority of mountain and road disc brake rotors. However, always verify your specific rotor manufacturer's bolt length requirements before installation to ensure the threads engage fully without bottoming out.

Yes, we strongly recommend applying a medium-strength threadlocker, such as Loctite 243, to the threads before installation. This prevents the bolts from backing out due to vibration and ensures they remain secure under heavy braking loads.

The PVD (Physical Vapor Deposition) process creates a highly durable, bonded finish that is significantly more resistant to abrasion and corrosion than standard anodizing or paint. While it is extremely tough, it can still be scratched by improper tool use, so always use a high-quality T20 Torx bit.

Grade 5 Titanium (Ti-6Al-4V) offers an exceptional strength-to-weight ratio, making it ideal for critical components like brake hardware. It provides the necessary tensile strength to handle the high torque and heat cycles of braking while being significantly lighter than standard steel bolts.

While titanium is durable, it is generally best practice to inspect the threads for any signs of deformation or stretching after removal. If the threads look clean and the Torx interface is not rounded, they can typically be reused, provided you clean off the old threadlocker and reapply fresh compound.