Kart Hopping (Bouncing) in Corners: Why It Happens and How to Fix It
Do you feel the rear hopping and bouncing in corners instead of running cleanly? It is an annoying fault, it costs you time and destroys the tyres and, something that surprises many, it usually does NOT come from too little grip, but from too much. Let us see why it happens and how to get rid of it.
In short A kart that hops in corners almost always has too much rear grip, not too little. The typical fixes: widen the rear track, fit a softer axle, check pressures and camber.
What hopping is
Hopping is a bouncing of the rear end: instead of sliding evenly, the rear jumps sideways, especially in medium-speed corners and under load. The kart becomes nervous, uncomfortable and unpredictable.
The important thing to understand is that it is almost always a rear-end problem with TOO MUCH grip: the axle is «too planted» on the ground and cannot shed the load progressively, so it bounces instead of sliding gently.
Why it happens
The conditions that encourage it are typical:
• A heavily rubbered, hot track: grip increases and the rear «sticks».
• Rear track too narrow: the axle stays too stiff and glued to the ground.
• Little or neutral camber on a high-grip track: the kart becomes nervous and tends to hop.
• New tyres at full temperature: lots of grip, which on an already heavily rubbered track can turn into hopping.
In practice the kart has more grip than it can handle, and it «lets it out» by bouncing.
What to check before touching the set-up
As always, start with the simple things: check tyre pressures and wear. Be careful to follow the right logic: hopping is excess grip, so a pressure that is too low (which increases grip) tends to make it worse; on the contrary, a pressure that is too high overheats the tyre and makes it slide: that is the opposite problem. Aim for the right pressure for the conditions: if the rear keeps hopping from too much grip, the real levers are track width and axle.
How to fix it (set-up changes)
The aim is to take a little grip away from the rear and let it slide more progressively. One change at a time, a few mm at a time:
• Widen the rear track: the axle flexes more on the loaded side and reduces traction, letting the rear slide instead of bouncing. It is often the first and most effective move.
• Fit a softer axle: it makes the chassis «work» more and shed grip gently, especially useful on a hot, heavily rubbered track.
• Increase camber: it makes the kart less nervous and easier to drive when grip is high.
• Loosen the rear bumper (if the chassis allows it): it reduces stiffness and lets the rear end slide more.
• Be careful with pressures: for hopping, do not lower them to «calm it down», because less pressure means more grip and more bouncing. If anything, a slightly higher pressure helps, but the real solution remains track width and axle.
Watch your driving too
It is not always the kart. Going in too fast and «leaning» on the rear mid-corner, with the axle already at the limit of grip, makes the bouncing worse. Sometimes just changing the way you take the corner slightly, with a gentler turn-in, is enough to make the hopping disappear without touching anything. A telemetry session helps you see where it starts.
In brief
If the kart hops in corners, it almost always has too much rear grip: axle too planted, rubbered-in track, pressures too low. You correct it by widening the rear track, using a softer axle, adding camber and managing pressures one step at a time. Often, though, the first thing to sort out is you, on corner entry.
To find out more: read the guides on track width, soft, medium and hard axles and camber and geometry. Axles, spacers and spare parts for adjusting the track width are in our shop.
Frequently asked questions
Why does a kart hop or bounce in corners?
Almost always because of too much rear grip: the axle is «too planted» and bounces instead of sliding.
How do you get rid of hopping?
By widening the rear track, using a softer axle and adding camber, one change at a time.
Do tyre pressures matter?
Yes: a pressure that is too low increases grip and makes the bouncing worse; one that is too high makes the tyre slide, which is the opposite problem.
Questions about this topic?
Message us on WhatsApp: we answer personally, with the experience of people who live at the track. And if you want to drive a real racing kart, with Arrive & Drive you get into one of ours, ready on track. The right spare part? You will find it in the shop.
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Author: Sergio, TKS RaceLab | Published: 1 July 2026 | Updated: 4 October 2026
TKS RaceLab is the Italian online store dedicated to karting: spare parts, accessories and everything you need to get on track. With Arrive & Drive you arrive at South Garda Karting (Lonato), Franciacorta, Cremona or Ala and find your kart ready to go. No hassle, just driving.
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