Understanding High-Side Motorcycle Crashes: Causes and Prevention Tips
Last updated Wednesday, August 13th, 2025

A high-side motorcycle crash happens when the bike’s rear wheel loses traction and then suddenly regains it, violently ejecting the rider. These crashes are dangerous and can cause severe injuries. In this article, we will break down the mechanics of high-side crashes, their causes, injuries you might face, and how to prevent them.
Key Takeaways
- High-side motorcycle crashes occur when the rear wheel loses and then regains traction, violently ejecting the rider, often leading to severe injuries.
- Preventive measures include practicing smooth braking, maintaining proper body positioning, and regular tire maintenance to enhance traction and stability.
- After a crash, seeking immediate medical attention, collecting evidence, and consulting an experienced motorcycle accident lawyer are crucial for recovery and legal support.
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What Is a High-Side Motorcycle Crash?
A high-side motorcycle crash occurs when the rear wheel of the bike loses grip and then suddenly regains it, causing the rider to be violently ejected from the motorcycle. This type of crash is particularly dangerous due to the high forces involved, often resulting in the rider being thrown over the handlebars and potentially flipping over the bike. The term “high-side” refers to the direction in which the rider is thrown – over the higher side of the bike, as opposed to sliding out.
In contrast, a low-side motorcycle crash happens when the bike slides out from under the rider, usually due to the front or rear wheel losing traction and not regaining it. While both types of crashes can result in serious injuries, high-side crashes are generally more severe because of the violent ejection and the height from which the rider is thrown. The phenomenon of “tank slapping,” where the handlebars jerk violently, can also occur during a high-side crash, further destabilizing the rider.
High-side crashes are often caused by abrupt changes in traction. For instance, if a rider tightens their grip on the handlebars during a loss of traction, it can inadvertently trigger a high-side crash. The sudden regaining of traction acts like a springboard, launching the rider off the bike with significant force.
Understanding the mechanics of high-side motorcycle crashes helps riders recognize the risks and take preventive measures. These crashes’ sudden and violent nature underscores the need for proper riding techniques and awareness of road conditions to reduce the risk of such catastrophic events.
Causes of High-Side Motorcycle Crashes
Several factors can lead to high-side motorcycle crashes, each contributing to the sudden loss and regaining of traction that characterizes these accidents. One of the primary causes is excessive speed, particularly when entering or exiting turns. High speeds reduce the time available for the rider to react to changes in road conditions, increasing the likelihood of losing control.
Abrupt braking is another significant cause. When a rider suddenly applies the brakes, especially the rear brake, it can lead to a loss of traction in the rear wheel. If the rear wheel then unexpectedly regains traction, it can cause the bike to flip and throw the rider off. Thus, smooth and controlled braking is always important, but especially so if the wheel loses traction.
Improper body positioning also significantly contributes to high-side crashes. If a rider leans too far into a turn without maintaining proper balance, it can compromise the bike’s stability and lead to a high-side event. Riders should shift body weight appropriately and avoid extreme lean angles to maintain motorcycle stability.
Slippery surfaces due to oil, water, gravel, or ice are additional hazards. These conditions can cause the rear wheel to lose traction, setting the stage for a possible high-side crash. Vigilance about road surface conditions and avoiding sudden throttle changes or braking on slippery surfaces helps maintain bike control and the stability of the wheels. When the rear tire loses traction, it can lead to dangerous situations, like a rear wheel slide, a sideways skid, or a high-side crash.
Common Injuries in High-Side Motorcycle Crashes
High-side motorcycle crashes are notorious for causing severe injuries due to the high forces involved. When a motorcycle’s rear tire abruptly regains traction after losing it, the rider is often ejected from the bike with significant force. This violent ejection can result in a range of serious injuries, often more severe than those associated with low-side crashes.
Common injuries from high-side motorcycle crashes include broken bones, such as fractures in the arms, legs, and ribs. The impact of being thrown off the bike can also lead to spinal cord injuries, which can have long-term consequences like permanent paralysis, like paraplegia (paralysis of the lower limbs) or quadriplegia (paralysis of all limbs).
Head injuries are another major concern, as the rider’s head can strike the pavement or other objects during the crash. This can result in traumatic brain injury or death. Wearing a helmet plays a vital role in reducing the severity of head injuries and preventing death in these crashes.
Internal organ damage is another significant damage risk. The forceful impact can cause trauma to internal organs, leading to life-threatening conditions if not promptly treated. Riders in a high-side crash are also at risk of injury from being hit by other vehicles, further increasing the potential for catastrophic injuries.
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Preventing High-Side Motorcycle Crashes
Preventing high-side motorcycle crashes requires a combination of proper riding techniques, awareness of road conditions, and regular bike maintenance. One of the most effective ways to prevent these crashes is by practicing smooth and controlled braking. Abrupt braking can cause the rear wheel to lose traction, so it’s essential to brake gradually and avoid sudden changes.
Proper body positioning is also vital. Shifting body weight towards the inside of the turn helps riders maintain control and stability, reducing the risk of a high-side crash. Riders should also avoid applying the front brakes while turning, as this can lead to a loss of traction in the front tire.
Regular tire maintenance is another key factor in preventing high-side crashes. Important considerations include:
- Ensuring that tires are properly inflated
- Making sure tires have adequate tread to significantly improve traction
- Being cautious of freshly mounted tires
- Being aware of cold or slick conditions, as these can increase the risk of losing traction with tire grips.
Lastly, staying calm and avoiding panic is crucial. Panic can lead to erratic decisions and sudden movements that destabilize the bike, causing riders to risk losing grip. When a rider loses traction, regaining traction by remaining composed and making deliberate, controlled actions helps them maintain control over the motorcycle and avoid ejection.
Steps to Take After a High-Side Motorcycle Crash
After a high-side motorcycle crash, seeking urgent medical attention is the first and most crucial step, even if injuries seem minor. The adrenaline rush following a crash can mask pain and injury severity, so it’s essential to get a thorough medical evaluation.
As with any crash, collecting evidence at the crash scene is also important for supporting any compensation claims. Take photographs of the scene, gather witness contact information, and document road conditions. Filing a police report is crucial to officially document the incident and provide a basis for insurance claims to collect damages.
Contacting an experienced motorcycle accident lawyer is vital for navigating the legal complexities following a crash. A lawyer can assist in gathering evidence, dealing with insurance companies, and fighting for fair compensation. Adhering to medical advice and keeping detailed records of all medical expenses supports your claim and aids in recovery.
Legal Rights After a High-Side Motorcycle Accident
Knowing your legal rights after a high-side motorcycle accident is crucial for recovering damages. Riders can recover damages if they can prove that someone else’s negligence caused or contributed to cause the crash. This could include things like defects in the road or track, another driver’s reckless behavior, faulty motorcycle parts, or an improperly performed repair. One of the first steps in any crash is to collect as much evidence as possible, including photos, witness names, and details about road conditions. Engaging a lawyer soon after the crash ensures that evidence is preserved and legal deadlines are met.
If the injuries in the high-side crash are severe and the design or manufacture of the motorcycle (or a part of the motorcycle, like a tire) might be a factor in the crash, then a product claim against a manufacturer may be appropriate. In those cases, the motorcycle, any parts that came off the motorcycle, or any safety gear that may have failed must be preserved in the condition it was after the crash. This means the item(s) should be kept safe from alterations, including repairs or degradation from being exposed to the weather unprotected. This evidence is vital for proving any potential product liability case. Immediately involving an attorney who can secure and preserve this vital evidence is crucial.
Wyly & Cook offer essential legal representation and guidance for navigating personal injury claims. Consulting a motorcycle accident lawyer can significantly enhance your chances of a favorable outcome by helping you understand negligence liability and navigating the complexities of insurance claims.
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Contacting an Experienced Motorcycle Accident Lawyer
Contacting an experienced motorcycle accident lawyer is crucial after any motorcycle crash. Wyly & Cook can focus on navigating injury claims, dealing with insurance companies, and fighting for fair compensation while you recover from the crash. Promptly consulting a lawyer helps you understand your legal rights and the potential for recovering damages due to someone else’s negligence.
Selecting a lawyer with extensive experience in motorcycle accident litigation can significantly impact the outcome of your claim. Such lawyers:
- Are familiar with the intricacies of these cases and can effectively advocate on your behalf.
- Can help gather evidence.
- Handle communications with insurance companies.
- Ensure that you receive the compensation you deserve.
After a motorcycle crash, legal help can provide peace of mind and allow you to focus on recovery. An experienced motorcycle accident lawyer will guide you through the legal process and strive to secure the best possible outcome for your case.
Frequently Asked Questions
What is a high-side motorcycle crash?
A high-side motorcycle crash involves the rear wheel losing traction and then abruptly regaining grip, which can violently throw the rider off the bike. It’s a dangerous scenario to avoid while riding.
What are the common causes of high-side motorcycle crashes?
High-side motorcycle crashes are commonly caused by excessive speed, abrupt braking, improper body positioning, and slippery surfaces. Addressing these factors can significantly enhance safety and reduce the risk of such incidents.
What types of injuries are common in high-side motorcycle crashes?
High-side motorcycle crashes commonly result in broken bones, spinal cord injuries, head injuries, and internal organ damage. It’s crucial to wear protective gear to mitigate these risks.
How can high-side motorcycle crashes be prevented?
High-side motorcycle crashes can be effectively prevented by practicing smooth and controlled braking, maintaining proper body positioning, and ensuring regular tire maintenance. These measures significantly enhance rider safety and control.
Why is it important to contact a motorcycle accident lawyer after a crash?
Contacting a motorcycle accident lawyer is crucial as they can guide you through injury claims, manage interactions with insurance companies, and ensure you receive fair compensation for your losses. Their expertise significantly enhances your chances of a favorable outcome.
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