Enve Centerlock Disc Brake Rotor Internal Spline Lockrings 21g

Shimano Ultegra Centerlock Disc Brake Rotor Internal Spline Lockrings 17g

Hope Silver Centerlock Disc Brake Rotor Internal Spline Lockrings 27g

Wolf Tooth Orange Centerlock Disc Brake Rotor Internal Spline Lockrings 16g

Wolf Tooth Black Centerlock Disc Brake Rotor Internal Spline Lockrings 18g

Shimano Centerlock Disc Brake Rotor External Spline Lockrings 21g

Zipp Centerlock Disc Brake Rotor External Spline Lockrings 16g

Shimano Dura-Ace Centerlock Disc Brake Rotor Internal Spline Lockrings 17g