F1 2021 Belgium GP Setup Guide

Spa is a classic circuit, and the longest on the calendar. This high speed track requires great rear stability and a low aero setup. Here is our setup guide for Spa in F1 2021.

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F1 2021 Spa Setup

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Our F1 2021 Spa Setup Guide

Spa is a circuit which is not only the longest on the Formula 1 calendar, but it’s also one of the fastest in terms of average speed. The track consists of long straights which are perfect for overtaking. Along with a whole host of medium to fast speed corners.

To master Spa-Francorchamps in F1 2021 you really require a car setup with great rear stability allowing you to accelerate out of corners well. And an overall low downforce setup giving you the best top speed potential.


Jumping into the aerodynamic setup for Belgium in F1 2021, I’ve gone for 6 at the front for solid turn in. And then I’ve lowered the rear aero to just 4.

You would think the low rear aero would result in a car with a rather loose rear end however, combined with the high speed nature of Spa, and the rest of this car setup, you certainly wont lack rear end grip.


For the transmission setup, I’ve left the on-throttle diff at 75. This allows your car to drive you out of the higher speed corners. The only corners that you may like to lower your on-throttle differential for are the first corner and the final chicane, although both of these are manageable with some good throttle control.

Then for the off-throttle diff, I’ve lowered it down to 58, which feels just about right for Spa-Francorchamps.

Suspension Geometry

The suspension geometry around Spa follows the normal approach of relatively close to max front camber, and then almost minimum values for all of the other suspension geometry setup options.

Go for -2.6 for your front camber, -1.9 for the rear camber, and 0.06 and 0.2 for the toe.


When it comes to the suspension, to allow your car to be as driveable as possible, I’ve gone for a very soft suspension all round. This will allow you to push your car through corners, and over all of the kerbs. It’ll also help with stability through the fast final sector and will allow you to stay almost flat through Eau Rouge.

Go for 2 and 3 for your suspension, and the same for your anti-roll bar setup.

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Then round out the suspension setup with a ride height of 2 and 6.


There aren’t too many overly heavy braking zones around Spa despite the high speed. So go with a balanced brake setup of 97% brake pressure with a brake bias setup of 57%.

The slightly more frontward brake bias will help minimise braking distances, especially into the final chicane and turn 5 at the end of the long straight.


I’ve kept the front tyres relatively balanced at 23.4 on both fronts. Then I’ve increased the pressure of the rear tyres up to 23.1. This will give a good trade off between true performance and race longevity.

And that will do it for our race orientated Belgium car setup for F1 2021. This will give you a fast car down the straights due to our low downforce setup approach. But the car will remain stable throughout the lap, allowing you to really attack the whole way round a lap.

View all of our most recent F1 2021 setups, by visiting our F1 2021 car setups page.

See you on track guys.

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Article written by Rich

Co-Founder of SimRacingSetups.com

Rich is the co-founder, and one of the main F1 setup creators and content writers for SimRacingSetups. With over a decade of experience as a graphic designer, marketing director, competitive sim racer and avid motorsport fan, Rich founded SimRacingSetup.com to share his passion and knowledge of sim racing and Formula 1 with other sim racers.

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