![]() ![]() Both of these benefits are small, but it's fair to say that a slotted rotor has better heat dissipation than a smooth rotor, all else being equal.Ĭross-drilled rotors have holes drilled thru them from the face to the back, the purpose of which is to keep rotors cool. The slots increase the surface area of the rotor, and also have a small impact on the airflow over the rotor surface. The slots or "grooves" have another purpose too - cooling. The grooves basically make sure the pad and rotor surface stay as clean as possible. First, the slots channel any dust or contamination on the rotor or pad surface away from the rotor and into the air. Slotted rotors have long grooves in a spiral pattern that serve two purposes. Even the nicest smooth rotors are cost comparable to OEM replacement rotors, but usually offer better wear and performance than a cheap OE replacement. So, for that reason, we always recommend buying the best quality smooth rotor available. If a rotor is too thick or too thin - or even slightly out of round - it can cause all sorts of problems for the braking system (and your wallet). If smooth rotors have a problem, it's that many of the cheapest rotors are not manufactured to the correct specifications. ![]() They maximize brake pad life, they resist cracking and rust, they tend to last the longest of any rotor design, and yet they're still extremely capable in everyday situations. While the lack of grooves and/or drill holes has some negatives (smooth rotors can get hotter and are more likely to have contaminated surfaces), they're the ideal choice for a typical daily driven vehicle. When a brake pad touches the surface of a smooth rotor, the wear of the pad is minimized compared to a slotted or drilled rotor. Smooth brake rotors (which may be "solid" or "vented") have a perfectly smooth surface. The best way to explain the difference between slotted and drilled rotors is to explain all the possible rotor configurations: "Smooth," "Slotted," "Cross-drilled," and "Drilled and Slotted." With our free concierge service, you get access to brake experts who know all about brakes for daily driving, off-roading, hauling, and racing. Still, even if you buy a quality rotor, if it's the wrong type of rotor for your vehicle it won't last.įinally, if you're just not sure which brake rotors are best, try contacting the team at. All the brands we offer meet or exceed OE specs, and there isn't anything we sell we wouldn't install on our own vehicles. Instead of saving a few bucks on a rotor, you're splurging on a set of new calipers.Īt BuyBrakes, we address a lot of the issues people have with cheap rotors by refusing to sell/carry inferior products. The same is true if a rotor isn't quite manufactured to the same dimensions as the OE rotor - if it's a little smaller, that can accelerate caliper wear and tear. Instead of saving money, a cheap rotor can often cost you money. If, for example, you put a cheap solid rotor on a pickup truck that came with vented rotors, you may find that the rotors and pads wear out extremely quickly. In terms of manufacturer recommendations, you definitely don't want to purchase a rotor that's inferior to the OE spec. ![]() Many people find that these pad and rotor kits perform better than OE brakes, yet don't cost as much to replace as a set of separate pads and rotors. These kits pair a quality rotor with a specific brake pad, the idea being that the combination is greater than the sum of the parts. ![]() NOTE: If you want performance rotors but want to minimize the cost of replacing worn rotors, check out our 2 piece rotors, which can save you a little money if you're tracking your vehicle or even using it for a lot of towing and/or hauling.Īnd if you want to split the difference between a standard OE spec replacement rotor and a high performance slotted and cross-drilled rotor, you might check out one of our brake and rotor kits. But while drilled and slotted rotors stay cooler longer - and maximize contact with brake pads - both rotors and pads wear more quickly on this type of setup. Performance rotors, on the other hand, are often slotted and cross-drilled, both of which reduce heat and improve fade resistance. Specifically, OE replacement rotors tend to have issues with high heat and brake fade during hard use. performance, OE replacement rotors tend to be great in terms of cost, but mediocre on the performance front.
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