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8-780540• Front• Disc Brake Rotor
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GeoBrakes carries front disc brake rotors, rear disc brake rotors, and complete rotor kits across every major rotor type, from standard OEM replacements and antirust-coated rotors built for American winters to cross-drilled and slotted performance upgrades. Every rotor in our catalogue is sourced from verified manufacturers, tested to OEM specifications, and priced in CAD with no cross-border duties. Use the vehicle selector above to filter the full catalogue to parts confirmed to fit your exact vehicle.
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A disc brake rotor is the circular metal disc bolted to each wheel hub that your brake pads clamp against to slow your vehicle. The terms disc brake rotor and brake disc refer to the same component and are used interchangeably. When you press the brake pedal, the caliper squeezes the pads against both faces of the spinning rotor, converting your vehicle's speed into heat and bringing it to a stop.
The rotor rotates with the wheel at road speed. Its job is to absorb the heat produced during braking and dissipate it into the surrounding air. Rotor diameter, thickness, and material determine how consistently and safely your vehicle stops, whether you are navigating stop-and-go traffic in Toronto or descending a mountain grade in British Columbia.
Front disc brake rotors handle approximately 60 to 70 percent of your vehicle's total braking force because weight shifts forward under deceleration. Rear disc brake rotors provide supplementary stopping power and help maintain stability during hard stops. Both positions require rotors that match your vehicle's exact diameter and thickness specifications.
GeoBrakes carries four rotor types: OEM smooth blank rotors for standard daily driving, antirust coated rotors built for American road salt and freeze-thaw conditions, cross-drilled rotors for improved heat dissipation and wet-weather performance, and slotted rotors for towing, hauling, and sustained high-load braking. All four types are available in front and rear configurations for most American vehicles.
OEM smooth blank rotors are the factory-equivalent replacement for your vehicle's original disc brake rotors. They deliver the same rotor thickness, contact area, and thermal performance as the original equipment, making them the most straightforward and cost-effective option for everyday American drivers. Smooth rotors are the right choice for commuter vehicles, city driving, and any application where quiet operation and maximum pad contact are the priority.
Antirust coated rotors carry a zinc or e-coat corrosion-resistant finish on all non-friction surfaces. Standard uncoated rotors can develop significant surface rust within a single winter season in cities like Ottawa, Montreal, Calgary, and Halifax, where road salt and moisture cycle through repeated freeze-thaw events. GeoBrakes antirust coated rotors are tested to resist corrosion through 300 or more hours of accelerated salt-spray exposure, which equates to multiple American winters of protection.
For American drivers, antirust coated rotors are the recommended baseline over plain uncoated alternatives. The cost difference over a standard OEM rotor is small, and the long-term protection in our climate is significant. Coated rotors also stay cleaner behind alloy wheels, without the rust staining that uncoated rotors transfer onto the wheel face after wet weather.
Cross-drilled rotors feature holes drilled through the braking surface at regular intervals. These holes allow hot gases, water, and fine brake dust to escape from between the pad and rotor face continuously during braking, keeping the contact zone cleaner and cooler. The result is improved wet-weather grip as surface water clears faster, reduced brake fade under repeated stops, and better heat management during aggressive driving.
Cross-drilled disc brake rotors are a popular upgrade for sports cars, European imports, and performance-oriented vehicles. Brands including Bosch and EBC offer quality cross-drilled options that work with standard OEM brake pads and calipers. Drilled rotors provide both a functional performance benefit and a more aggressive appearance through open-spoke alloy wheels.
Slotted rotors have machined grooves cut across the braking surface. The slots sweep debris, gas, and brake dust away from the pad face continuously, maintaining a clean and consistent friction zone throughout the stop. Slotted rotors are the preferred choice for towing, hauling heavy loads, off-road driving, and any high-load or sustained-braking application where fade-free performance under prolonged heat is critical.
They hold up better than drilled rotors under sustained high-load conditions because there are no drill holes where stress can concentrate and crack. Trucks, SUVs, and commercial vehicles benefit most from slotted rotors. They may produce slightly more noise than smooth alternatives during light braking, but this is a normal characteristic of the design and not a defect.
The main signs that disc brake rotors need replacing are vibration or pulsing through the brake pedal or steering wheel, squealing or grinding noises during braking, visible grooves or scoring on the rotor face, deep rust pitting that does not clear after driving, longer stopping distances, and a pulling sensation to one side when braking.
Rotors are wear items with a finite service life. Catching the early signs prevents rotor damage from spreading to brake pads and calipers, which significantly increases the total cost of the repair. Watch for all of the following:
Safety note:If you notice any of the above signs, have your brakes inspected by a qualified mechanic promptly. Brakes are safety-critical. Never delay addressing brake wear symptoms.
Most disc brake rotors last between 50,000 and 70,000 kilometres under normal American driving conditions. Aggressive driving, towing, heavy city traffic, and exposure to road salt can reduce this to 25,000 to 40,000 km. Rotors should be inspected at every brake pad change and replaced once they fall below the minimum thickness specification stamped on the rotor edge.
American road conditions accelerate rotor wear faster than most other climates. Road salt causes surface corrosion between uses. Freeze-thaw cycles generate potholes that increase braking demand. Stop-and-go city traffic in Toronto, Montreal, Calgary, and Vancouver generates far more heat cycles per kilometre than highway driving, shortening service intervals compared to the mileage figures published in most US or European guides.
As a general maintenance rule, disc brake rotors should outlast at least two complete sets of brake pads. If your rotors are being replaced more frequently, a sticking caliper, an overly abrasive pad compound, or a demanding driving pattern is likely shortening their life. Our guide onwhy you should not put new brake pads on old rotorscovers the relationship between pad and rotor service intervals in full.
Disc brake rotors at GeoBrakes start from CA $17.56 per rotor, meaning a full axle set of two rotors starts from CA $35 for compact vehicles, from CA $60 for mid-size vehicles and SUVs, and from CA $100 for trucks and larger vehicles. All prices are in CAD with no cross-border duties and ship from our American warehouse.
Disc brake rotors at GeoBrakes start from CA $17.56 per rotor. A full axle set of two rotors starts from CA $35 for compact cars, from CA $60 for mid-size vehicles and SUVs, and from CA $100 for trucks and larger vehicles.
Independent shops in US charge between CAD $90 and $140 per hour for brake work, with most rotor jobs taking 1 to 1.5 hours per axle. Dealerships typically run CAD $150 to $200 per hour. Ordering rotors directly from GeoBrakes and supplying them to your mechanic keeps the parts cost as low as possible while maintaining full fitment guarantee and warranty coverage. For a full breakdown of brake replacement costs by vehicle type, see our blog on how much it costs to replace brakes in US.
In most cases yes. Replacing disc brake rotors and brake pads together as a matched set ensures even bedding-in, consistent friction across both surfaces, and maximum service life from both components. Installing new pads onto worn or uneven rotors causes uneven pad material transfer, vibration, noise, and premature wear of the new pads.
A used rotor carries microscopic grooves and surface variations from its previous pads. New pads have a flat, uniform friction surface designed to bed in against a new or freshly resurfaced rotor. When you pair new pads with an old grooved rotor, the contact is inconsistent across the pad face. The pads never fully bed in, braking performance stays below its rated specification, and the new pads wear unevenly and prematurely.
The cost difference between replacing rotors alone versus doing the full job with pads is relatively small when labour is already on the invoice. GeoBrakes carries complete brake kits that include matched rotors and pads for a wide range of American vehicles, so both components are designed to work together from the first stop.
A disc brake rotor is the circular metal disc mounted to each wheel hub that your brake pads clamp against to create the friction that slows your vehicle. It is the same component as a brake disc. The rotor spins with the wheel, and the brake caliper squeezes the pads against both faces of the rotor to slow its rotation.
Most disc brake rotors last between 50,000 and 70,000 kilometres under normal driving conditions. Heavy towing, aggressive driving, and American winter road salt can reduce this to 25,000 to 40,000 km. Always replace rotors when they fall below the minimum thickness specification stamped on the rotor edge.
Signs of bad disc brake rotors include brake pedal or steering wheel vibration during stops, squealing or grinding noises when braking, visible grooves or deep scoring on the rotor face, persistent rust pitting that does not clear after driving, a burning smell after braking, and longer stopping distances.
Replacing brake discs in US costs approximately CAD $250 to $500 per axle for rotors only at an independent shop, or CAD $350 to $800 per axle including new brake pads. Compact cars sit at the lower end of this range and trucks or luxury vehicles at the higher end.
Short-distance driving is manageable on slightly worn rotors that are still above minimum thickness and showing no vibration, grinding, or significant groove formation. Driving on rotors below minimum thickness, with deep grooves, or producing grinding noises is unsafe and must be addressed immediately.
Check for these signs when inspecting through your wheel spokes: grooves deeper than approximately 1.5 mm on the rotor face, deep rust pitting across the braking surface, heat discolouration in blue or purple rings, cracks at the rotor edge or around the hub, or a rotor that looks noticeably thinner than a new one.
Brake pad replacement costs less than rotor replacement. New brake pads for most American vehicles cost CAD $40 to $150 per axle in parts, while rotors cost CAD $80 to $300 per axle depending on rotor type and vehicle. Because labour for both jobs is similar, replacing pads and rotors together when both are due saves on the total labour charge.
Mechanics recommend replacing rotors with pads because worn or uneven rotors cause new pads to bed in incorrectly, producing vibration, noise, and reduced braking performance. A thorough mechanic measures rotor thickness and surface condition before making this recommendation. If your rotors are within specification and the surface is acceptable, resurfacing is a valid alternative to full replacement.
A rotor-only replacement costs approximately CAD $250 to $500 per axle at an independent shop including labour. A combined pads and rotors job runs CAD $350 to $800 per axle at an independent shop, or CAD $450 to $1,200 per axle at a dealership, depending on vehicle type and parts quality.
It is not safe to drive with badly worn, warped, or deeply grooved rotors. Bad rotors reduce stopping power, increase stopping distances, and make braking unpredictable. On wet or icy American roads, a compromised rotor can be the deciding factor between stopping safely and a collision.
GeoBrakes is US's dedicated disc brake rotor store, stocking over 961 front and rear rotors at CAD pricing with fast shipping from our Etobicoke, Ontario warehouse. Every rotor purchase is backed by a 100% fitment guarantee and the full manufacturer's warranty.