Kia High Performance Grooved Brake Discs

• Being a world leading professional brake parts manufacturer, Winhere produces more than 55 million units of brake discs and 10 million sets of brake pads annually for OEM and IAM. 

• 96%+ car parc coverage of brake discs and brake pads from A to Z for both passenger cars and commercial vehicles. 

• IATF16949, ISO14001, ISO45001, ECE R90, CNAS certificated. 

• National Green Manufacturer and China’s Champion Enterprise awarded by M.I.I.T. and C.F.I.E. 

• National Standard of “Brake Disc for Automobile” GB/T 34422-2017 is led by National Quality Supervision and Inspection Center for automobile parts, Winhere is the responsible drafting company for this national standard.

Brake Discs Features:                                                   

•Equivalent to OE design 

•Smooth and quick stop 

•Anti-rust 

•Low noise, low dust 

•Optimal thermal performance 

Brake Pads Features:

•High performance 

•Long-life service 

•Anti-fade 

•Low noise, low dust 

•Environmental friendly

Grooved disc surface for enhanced pad bite

The precision-machined grooves on the disc surface act as scrapers, continuously cleaning the brake pad surface with every rotation to ensure immediate and aggressive pad bite the moment you apply the brakes.

Efficient debris and water evacuation system

The grooved channels effectively expel brake dust, road grime, rainwater, and hot gases from the friction surface, preventing them from becoming trapped between the pad and disc and compromising stopping power.

Prevents brake pad glazing under high heat

By continuously sweeping the pad surface, the grooves prevent the friction material from hardening and glazing due to excessive heat, which is a common cause of reduced braking efficiency in standard discs.

Grooves act as additional cooling channels

Beyond cleaning, the grooves also create additional pathways for airflow across the disc surface, actively carrying heat away from the friction zone to keep operating temperatures under control

Maintains consistent friction in wet conditions

On rainy roads, the grooves quickly channel water away from the braking interface, preventing the formation of a slippery water film and ensuring your brakes respond reliably even in heavy downpours

Sportier and more responsive pedal feel

The enhanced initial bite provided by the grooved design translates directly into a firmer, more immediate pedal response, giving drivers greater confidence and control during spirited driving.

Consistent stopping power under repeated use

Whether you are navigating mountain descents or encountering stop-and-go city traffic, the grooved design helps maintain stable friction levels, reducing the performance drop-off that plagues standard discs after multiple hard stops.

Resists brake fade during intensive driving

By efficiently managing heat and preventing gas buildup between the pad and disc, these rotors significantly reduce the risk of brake fade—the gradual loss of stopping power that occurs when brakes overheat.

Shorter stopping distances in emergency situations

The combination of improved pad bite and consistent friction means that when you need to stop suddenly, these grooved discs deliver maximum deceleration force more quickly than conventional smooth-surface rotors.

Precision-machined to OE specifications

Every critical dimension—including disc diameter, thickness, hat height, and bolt circle—is precisely machined to match Kia's factory service manual specifications, guaranteeing a perfect fit every time

No special tools required for installation

Installation can be completed using standard workshop equipment, making the replacement process straightforward for professional mechanics and reducing labor time and costs.

• 100% critical dimensions, runout and DTV inspection 

• Material physical and chemical inspection

• Test shear strength, compressibility, density, flatness and parallelism 

• Test performance and noise/NVH