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Change is the one consistent in the NASCAR world, and it comes through the subset consistent that is complaints about said change. The course, pushback against adjust in basic is human being nature and also far from unique to motorsports.

You are watching: How do single lug wheels work


But pan reaction to the readjust NASCAR announced Monday to be amusing considering the irony the the most common objections.


Those that oppose the Cup collection moving come a single, center-locking lug nut because that its next generation automobile — together opposed come the present five-lug sample — because together a design makes the auto "less the a share car" are absent the point. NASCAR precise is make this move so the automobile closer each other a stock car.


NEWS: NASCAR relocating to single lug-nut architecture for next Gen car.Details: https://t.co/pEZsqytsQr pic.twitter.com/rF8vGqbMKx

— NASCAR (

Soon after NASCAR"s announcement Monday, the NASCAR ~ above Fox Twitter account post a simple, open-ended question: "So what are your thoughts on the single-lug wheel?"


The (mostly) an unfavorable feedback was predictable. Below we pluck a few of those responses come the tweet and also explain why they"re misguided.

"How countless "Stock" cars have a single nut? Really getting away native what NASCAR was produced as." ... "Just another example the NASCAR act the opposite of what pan want."

This is in reality NASCAR attempting to do specifically what pan want.

NASCAR senior vice chairman of innovation and also racing development John Probst explained Monday the the organization wants the Gen 7 Cup cars, reserved to debut in 2021, to attribute 18-inch aluminum wheels rather than the current 15-inch steel wheels. The reason: The larger style closer resembles the wheels on production cars.

And for the 18-inch aluminum wheel, the strength and durability the a single nut style was NASCAR"s just option.


Aluminum wheels space not a new thing in racing. A vast majority or gyeongju competes in aluminum wheels. Wheel a tire goes flat it tears ingredient up. Stole / aluminum / regardless it junk. Thanks for the inquiry https://t.co/QAwFNV4km2

— Steve Letarte (
SteveLetarte) march 3, 2020

"Once you gain to an 18-inch aluminum wheel," Probst said, "the following step for us is come make sure that native a to trust standpoint under racing conditions is the it will accept the durability the we require to complete races and also then additionally finish many races. ...

"The steel wheel is much more forgiving and can handle loose wheels a small bit better. As soon as we gain to the aluminum wheel, us did part durability studies, and if you leaving lug nuts loosened on an aluminum wheel, you minimize the trust of the wheel by roughly 30 percent. It’s much more of, the aluminum wheel has less yongin to loose lug nuts, so as soon as we have actually one, there really is only one thing to concentrate on, and also that is to gain that lug nut tight. Then everything else indigenous a to trust standpoint is fine."

That part — tire-changers needing to concentrate on just one lug quite than five — leader to the other significant complaint attached to NASCAR"s move.

"Seems it will certainly take far employment for men that have actually been on a pit crew for years." ... "Terrible, takes away the excitement of watching a pit stop!"

Simply, this is no true.

Many seem worried the adjust to a solitary lug nut will certainly make NASCAR Cup collection pit stop look and feel more like those in Formula 1 and/or IndyCar, open-wheel series in i m sorry the choreography of a crew"s work during a prevent is much various and, as part argue, less challenging. Together an evolution won"t happen as a an outcome of this change in NASCAR.

"There will certainly still be men coming turn off the wall, there will still it is in a premium for that athlete to come turn off the wall, get to the right side that the car, make the tire change, get over come the left next of the car and make the tire change," Probst explained. "From the look and also feel of the pit stop, we don’t watch any far-reaching changes.”


the same way that a baseball infielder can handle a floor ball, a pop up and also a line drive while also being able to bunt, hit come the opposite field when need be. ... I don"t think the talented pit crew members will need to much problem doing 5 lugs because that Xfinity and 1 because that Cup. Https://t.co/GgjCMXKSU8

— Bob Pockrass (
bobpockrass) in march 3, 2020

And no, there will not it is in a dramatic change in the time necessary to change a tire throughout a NASCAR Cup series pit stop.

The solitary lugs require adequate torque, and the time on the air gun forced to attain that level of torque will be similar to the lot of time necessary to attach five lugs come the current steel wheel.

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If anything, that should help the bottom tier crews near the void a tiny to the average/good crews yet it most likely won’t damage things for the good ones and make them unexpectedly average. This is no a paid endorsement. I’m not Mike Bloomberg yet I approved this message

— timber Brothers racing (
woodbrothers21) march 2, 2020

"On the on and also off, castle still have to keep the total on," Probst said. "They can’t simply cap it, it’s got to actually ratchet a couple of times before it actually gets tight.

"So today, good tire changers have the right to take 5 lug nuts off or placed them ~ above in less than a second, to speak eight tenths of a 2nd to a second. They’re going to have to leave the total on for probably at the very least a fifty percent a second, therefore if anything, they may be three-tenths (quicker) here and also there, however it shouldn’t dramatically adjust the time on the pit stop."