NASCAR shifts to center-locking wheels for 2021

NASCAR is making a big change for 2021 along with the introduction of the Nex Gen race car: Center-locking wheels with a single lug nut.

NASCAR shifts to center-locking wheels for 2021

NASCAR will also move from a 15-inch steel to 18-inch aluminum rims.

"One of our main goals with the Next Gen car is to provide a vehicle that better replicates what our OEM partners sell in the showroom – both in looks and relevant technology. Moving to an 18” forged aluminum wheel helps do just that," said NASCAR Senior Vice President of Racing Innovation John Probst.

"Once the decision was made to go that direction, we tested different lug nut options. With the loads on the larger wheels, we had to make sure that the wheel would remain securely fastened the car. The single lug, center lock design was the best way to accomplish this."

Read Also:

However, this will not fundamentally change how pit stops look moving forward but will result in faster stops.

"The choreography of a pit stop won’t change. You’ll still have the same over-the-wall crew members you have today, and rules related to when they can enter the pit box are still in effect," explained Probst.

"It will still be important for the tire changers to be quick off the wall to get to the far side of the car. Hand-eye coordination remains extremely important, you’re still trying to get the lug and tire on and off the car faster than 39 other teams. The overall way a pit stop looks will remain the same.

"In terms of timing, the torque is higher on the single lug, which means they have to leave the gun on longer. In our testing, we’ve found that it takes approximately half a second to properly tighten this new lug. Today, a good tire changer can remove five lugs in about .8 seconds. So, while pit stops may be a touch quicker next year, it won’t be a significant difference."

Read Also:

shares
comments
Ryan Blaney looking to change his end-of-race luck
Previous article

Ryan Blaney looking to change his end-of-race luck

Next article

Following Fontana, Toyota drivers have a need for (more) speed

Following Fontana, Toyota drivers have a need for (more) speed
The ex-F1 driver taking on NASCAR with a new team Prime

The ex-F1 driver taking on NASCAR with a new team

Saddled with uncompetitive Minardi machinery, Tarso Marques didn't manage to score points in his three partial seasons of Formula 1. But now the Brazilian has the chance to show what he can do in NASCAR, and explains the story of his comeback with new Cup Series entrant Team Stange

NASCAR Cup
Apr 13, 2022
The early benefits and challenges of NASCAR's Next Gen car Prime

The early benefits and challenges of NASCAR's Next Gen car

NASCAR’s new stock car generation is encouraging an influx of fresh blood into its top tier. But there are concerns that parts are in short supply as the entire paddock tries to build up stocks at the same time

NASCAR Cup
Feb 22, 2022
How Penske's rookie sensation opened NASCAR's new era in style Prime

How Penske's rookie sensation opened NASCAR's new era in style

After holding his nerve and hip-checking his teammate on the run to the line, Austin Cindric made a perfect start to life as a full-timer in the NASCAR Cup Series by winning the Daytona 500. Here's how the Penske Ford man emerged first across the line in the first points-scoring race for the much-anticipated Next Generation cars

NASCAR Cup
Feb 21, 2022
Six key themes to follow in the 2022 NASCAR Cup season Prime

Six key themes to follow in the 2022 NASCAR Cup season

There are plenty of uncertainties ahead of the 2022 NASCAR Cup season as an all-new fleet of cars take to the track for the first time. Ahead of this weekend's Daytona 500, our experts explain what you need to know

NASCAR Cup
Feb 17, 2022
How NASCAR had to learn a harsh lesson ahead of Next Gen arrival Prime

How NASCAR had to learn a harsh lesson ahead of Next Gen arrival

The NASCAR Cup kicks off with the Daytona 500 this weekend, but a major engine overhaul and a subsequent mountain of work has been required to be ready for the arrival of the Next Gen cars.

NASCAR Cup
Feb 16, 2022
How Larson took the long way round to NASCAR Cup glory Prime

How Larson took the long way round to NASCAR Cup glory

From villain to hero, Kyle Larson had to reach his lifelong goal the hard way and go through a very public shaming after a ban for using a racial slur, but his talents shone long before his name grabbed the headlines...

NASCAR Cup
Nov 10, 2021
How NASCAR is gearing up for its "biggest change" in 2022 Prime

How NASCAR is gearing up for its "biggest change" in 2022

It’s not just Formula 1 that’s set for upheaval in 2022, as the NASCAR Cup series adopts its Next Gen cars that will cast any in-built advantages aside and require teams to adopt a totally new way of operating. Far more than just a change of machinery, the new cars amount to a shift in NASCAR's core philosophy

NASCAR Cup
Oct 12, 2021
Why Bubba Wallace’s Talladega win is such a big moment for NASCAR Prime

Why Bubba Wallace’s Talladega win is such a big moment for NASCAR

Bubba Wallace claimed his maiden NASCAR Cup Series at Talladega on Monday to become the first Black victor in the category since Wendell Scott in 1963. Both Wallace and Scott had faced obstacles and racism in their paths to their breakthrough wins, and NASCAR is trying to put it right with its range of diversity programmes

NASCAR Cup
Oct 5, 2021