Moto Master brake disc Halo 320 mm full-floating drilled 5-hole 112390

The Moto Master Halo brake disc 320 mm floating drilled 5-hole 112390 offers you powerful and consistent braking, with excellent heat dissipation.

Technical specifications of the brake disc Moto-Master 112390

The brake disc is designed with an inner diameter of 100 mm (3-15/16"), an outer diameter of 320 mm, a style of type floating, surface drilled, mounting (drilling) with 5 holes, thickness 5 mm, material: aluminum and stainless steel.

Halo Series Floating Disc Features

• A new standard in aftermarket circular brake discs
• Durable, the premium stainless steel outer disc is laser-cut and polished with high precision
• Vent holes are precisely sized and positioned to ensure even heat dissipation, even under thermal stress, while maintaining a clean brake pad contact surface
• Halo discs are available for the front left and right unless otherwise specified
• Sale at the unit
Floating Halo brake disc, front, black aluminum inner hub carrier, Suzuki GSX-R 1300 Hayabusa 21-25

When to change a motorcycle brake disc

• What is the average service life of a motorcycle brake disc?

The average service life of a motorcycle brake disc is around 40,000 km. This figure varies depending on the type of disc, the quality of the materials, riding style, the bike’s weight and the thermal stresses generated by repeated braking. 

• How can you tell if a brake disc is damaged?

Motorcycle brake discs should be checked every 20,000 to 30,000 km or whenever you replace the brake pads. 

A motorcycle brake disc must be replaced as soon as cracks appear, the disc becomes warped or deformed, runout is excessive, or when the minimum thickness specified by the manufacturer is reached. A disc that is out of tolerance leads to reduced braking efficiency and accelerated pad wear.

A warped brake disc can be identified by vibrations at the lever or pedal during braking, irregular pulsing, or a loss of progressive feel. Disc runout causes uneven contact with the pads and requires immediate replacement of the affected disc.

• Can a rusted brake disc be recovered?

A brake disc showing advanced corrosion or rust is considered unserviceable. Corrosion damages the friction surface and heat dissipation, making any cleaning operation ineffective and incompatible with safe braking.