--- title: "Brain Injury & Bike Crash Insights | Bike Brain Law" description: "Legal and medical insights on traumatic brain injuries and bicycle accident claims from Colorado attorney Dan D'Angelo." lang: en json-ld: | { "@context": "https://schema.org", "@type": "LegalService", "@id": "https://bikebrainlaw.com/#organization", "name": "Colorado Brain Injury & Bike Crash Attorneys | Bike Brain Law", "description": "Colorado brain injury and cycling accident attorneys serving Denver, Boulder, Fort Collins and statewide. Specialized TBI representation. Free consultation. Call 303.831.1116.", "url": "https://bikebrainlaw.com", "image": "https://bikebrainlaw.com/og-image.png" } --- [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/)[303.831.1116](tel:3038311116) Practice Areas Practice Areas - [Brain Injury Focused brain injury representation backed by science, trial experience, and real results. ](/practice-areas/traumatic-brain-injury) - [Cycling Accidents An avid cyclist who fights for injured riders across Colorado. ](/practice-areas/cycling-accidents) - [Bicycle Product Liability Holding manufacturers accountable when defective bike parts cause injuries. ](/practice-areas/bicycle-product-liability) Resources - [Insights & Guides ](/blog) - [Case Results ](/results) - Our Process - FAQs Service Areas - [Denver](/service-areas/denver) - [Boulder](/service-areas/boulder) - [Fort Collins](/service-areas/fort-collins) - [Golden](/service-areas/golden) - [Colorado Springs](/service-areas/colorado-springs) - [Aurora](/service-areas/aurora) Featured [ ![Attorney Dan D'Angelo](/assets/dan-dangelo-headshot-DJ4GY3yR.jpg) Meet Attorney Dan D'Angelo Trial lawyer, trusted brain injury advocate, avid cyclist. Learn more ](/) Free consultation · No fee unless we win. Talk to Dan AboutTestimonials[Results](/results)FAQsContact[Insights & Guides](/blog)Free Consultation [](tel:3038311116) Insights & Guides # Traumatic Brain Injury and Bike Crash Resources In-depth guidance on traumatic brain injuries, cycling accidents, and the legal process, written from years of Colorado trial and litigation experience serving Denver, Boulder, Colorado Springs, and communities statewide. [ ### Brain Injury Diagnosis, treatment, legal rights, and case-building guidance for traumatic brain injury victims. ](/blog/brain-injury) [ ### Bike Injury Cyclist rights, common crash scenarios, product liability, and Colorado bike crash law. ](/blog/bike-injury) [ ### Safety Helmet laws, sharrows, trail rules, and how to protect yourself before a crash. ](/blog/safety) [ ### Bike & Brain News Latest developments, news stories, and scientific research on bicycles and brain injuries. ](/blog/news) ![Dan D'Angelo](/images/content/20231015_dangelo_dan_square_076.jpg) By Attorney Dan D'Angelo Trial Lawyer · Brain Injury Advocate · Avid Cyclist AllBrain InjuryBike InjurySafetyBike & Brain News [ ![Attorney Dan D'Angelo of Bike Brain Law](/images/content/20231015_dangelo_dan_039.jpg) Bike Injury · Aug 27, 2026 ## How Much Does a Denver Bike Accident Lawyer Charge on Contingency? Nothing up front, and no fee unless there is a recovery. Here is the typical Colorado percentage range, what the law requires the fee agreement to say, why costs are a separate question, and what to ask before you sign. ](/blog/how-much-does-a-denver-bike-accident-lawyer-charge-contingency) [ ![Brain imaging scans on a medical lightbox](/images/content/img_7090.jpg) Brain Injury · Aug 20, 2026 ## Can a Denver Attorney Take My Traumatic Brain Injury Case to Trial? Yes, but a brain injury trial is a science case. Here is what it takes to prove an injury the jury cannot see: the experts, the advanced imaging, the defense playbook, and the questions to ask any attorney before you hire them. ](/blog/can-a-denver-attorney-take-my-tbi-case-to-trial) [ ![Dan D'Angelo of Bike Brain Law on his bike in Denver](/images/content/dan-on-spyder-bike.jpg) Bike Injury · Aug 14, 2026 ## Can a Denver Bike Accident Attorney Negotiate With Insurers and Take My Case to Trial? Yes, a Colorado bike accident attorney can negotiate with insurers and take your case to trial, but your fee agreement has to say so. Here is what to check before you sign, plus five questions to ask any attorney you are considering. ](/blog/denver-bike-accident-attorney-negotiate-insurers-trial) [ ![Cyclist riding in a designated bike lane in Denver](/images/content/img_1005.jpg) Bike Injury · Aug 13, 2026 ## How Does Colorado's Comparative Negligence Rule Affect a Bicycle Accident Claim? Colorado's 50 percent bar means a cyclist found half at fault recovers nothing. Here is how the math works, why insurers push blame onto riders, and the legal answer to each of the five common blame arguments. ](/blog/colorado-comparative-negligence-bicycle-accident-claims) [ ![Cyclist riding on a Colorado road](/images/content/img_1790.jpg) Bike Injury · Aug 6, 2026 ## What Evidence Do Denver Cyclists Need to Prove Driver Negligence After a Collision? To win a bike crash claim in Colorado you have to prove the driver broke the law, that it caused the crash, and that the crash caused your injuries. Most of that evidence disappears within days. Here is what to collect, where to find it, and what to do in the first 48 hours after a Denver bike crash. ](/blog/evidence-denver-cyclists-need-to-prove-driver-negligence) [ ![Racks of bicycles at a train station](https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/4aa19bbd-3cb5-4c36-a7ac-e40bf22d19ed.jpeg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy80YWExOWJiZC0zY2I1LTRjMzYtYTdhYy1lNDBiZjIyZDE5ZWQuanBlZyIsInNjb3BlIjoiZG93bmxvYWQiLCJpYXQiOjE3ODUzNDY3NTksImV4cCI6MjEwMDcwNjc1OX0.xJyXEWuIgBqj1qmDqQQdai23W09gRBBqooyEtV3uisw) Brain Injury · Jul 30, 2026 ## Why loss of consciousness is difficult to spot and why it's so important to your legal case. Why loss of consciousness is difficult to spot, how to identify it, and how to report it to medical professionals. ](/blog/why-loss-of-consciousness-is-difficult-to-spot-and-how-to-identify-it) [ ![Treelined path with cyclist posing at the end](https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA) Brain Injury · Jul 30, 2026 ## How long do brain injury symptoms last? Not all symptoms after a concussion or mild TBI go away on their own. Some symptoms called post concussive symptoms or PCS for up to 48% of people may lost more than one year or longer. ](/blog/how-long-do-brain-injury-symptoms-last) [ ![Attorney Dan D'Angelo on a Spyder bicycle in Colorado](/images/content/dan-on-spyder-bike.jpg) Brain Injury · Mar 7, 2026 ## Why You Don't Easily Forget How to Ride a Bicycle Riding a bike is stored as implicit, procedural memory in the cerebellum and basal ganglia, areas more protected from TBI than memory centers responsible for facts and dates. ](/blog/why-you-dont-forget-how-to-ride-a-bicycle) [ ![Hospital emergency department entrance](/images/content/er-department.jpeg) Brain Injury · Feb 27, 2026 ## The ER May Have Missed Your Mild Traumatic Brain Injury Diagnosis Studies estimate 40–50% of mild TBI patients leave the ER without a documented TBI diagnosis. You may still have a valid claim. Here's why. ](/blog/er-may-have-missed-mild-tbi-diagnosis) [ ![Close-up of bicycle components for inspection](/images/content/screenshot-2026-01-13-at-8.23.18-pm.jpeg) Bike Injury · Feb 20, 2026 ## How to Know If a Defect Caused a Bicycle Crash Common signs that a bicycle defect or improper assembly caused your crash, plus exactly what to do to preserve evidence and protect your claim. ](/blog/how-to-know-if-defect-caused-bicycle-crash) [ ![Attorney Dan D'Angelo professional headshot](/images/content/20231015_dangelo_dan_039.jpg) Brain Injury · Feb 13, 2026 ## How to Find a Trusted and Experienced Traumatic Brain Injury Lawyer The right questions to ask before hiring a TBI attorney, including experience with normal imaging, missed ER diagnoses, and insurance challenges. ](/blog/how-to-find-trusted-tbi-lawyer) [ ![A bicycle helmet on a workshop bench](/images/content/helmet-replacement.webp) Safety · Feb 6, 2026 ## When Should You Replace Your Bicycle Helmet? A bicycle helmet's protective lifespan is limited. Replace it after any crash, visible damage, fit changes, or every three to five years with regular use. ](/blog/when-to-replace-your-bicycle-helmet) [ ![Cyclist riding on a multi-use trail in Colorado](/images/content/colorado-trail.webp) Safety · Jan 29, 2026 ## Rules for Bicyclists to Follow When Riding on Colorado Trails Multi-use trails and regional paths come with specific rules: yield to pedestrians, stay right, ride the posted speed limit, and more. ](/blog/rules-for-riding-colorado-trails) [ ![Painted sharrow shared-lane marking on a city street](/images/content/sharrow-marking.webp) Safety · Jan 23, 2026 ## What's a Sharrow? A sharrow is a painted bicycle-and-chevron marking that tells drivers and cyclists they're sharing the lane and where the cyclist should ride for safety. ](/blog/whats-a-sharrow) [ ![Cyclist riding in a protected bike lane on a Denver roadway](/__l5e/assets-v1/ab07ae15-9bb8-48f7-ad51-20c993a8f4b2/where-bicyclists-ride.jpg) Safety · Jan 16, 2026 ## Where Bicyclists Are Legally Allowed to Ride on Colorado Roadways Bicycles are 'vehicles' in Colorado and may ride on most roads. Here's where you can ride, when you can take the lane, and the hazards you don't have to ride through. ](/blog/where-cyclists-can-ride-on-colorado-roadways) [ ![Diagram of bicycle parts and components](/images/content/bike-part-words.png) Bike Injury · Jan 13, 2026 ## What Bicycle Parts Can Cause a Crash If Defective or Improperly Installed? Modern bikes have 50+ components. Here's the full list of parts that can cause a rider to lose control if defective or improperly assembled. ](/blog/bike-parts-that-can-cause-a-crash) [ ![A Waymo autonomous vehicle on a Denver street](/images/content/waymo-denver-co.jpeg) Bike & Brain News · Jan 8, 2026 ## Waymo in Denver Driverless Waymo taxis are now mapping and testing on Denver streets, with public rides planned for early 2026. What it means for cyclists and road users. ](/blog/waymo-in-denver) [ ![Aerial view representing TBI research and imaging](/images/content/dji_0022.jpg) Bike & Brain News · Jan 3, 2026 ## Will There Be a New TBI Classification System in the Near Future? The current mild/moderate/severe TBI grading is being challenged by a proposed new CBI-M framework that adds biomarkers, imaging, and patient-specific modifiers. ](/blog/new-tbi-classification-system) [ ![Colorado State Capitol building](/images/content/img_0303.jpg) Bike & Brain News · Jan 2, 2026 ## New Colorado Laws to Know About for 2026 Two new Colorado laws effective January 1, 2026 are relevant to bike and brain injury cases: e-bike class labeling (HB25-1197) and car seat replacement (HB25-1179). ](/blog/new-colorado-laws-2026) [ ![Aerial view of Lookout Mountain with golden light](/images/content/img_0690-aerial-lookout-golden-background-angled-3-.jpg) Brain Injury · Jan 1, 2026 ## Not All MRIs Are the Same T1, T2, FLAIR, fMRI, SWI, DTI, MRS, and ASL are different MRI techniques that look at different brain components. Why this matters for proving a TBI. ](/blog/not-all-mris-are-the-same) [ ![Bike Brain Law logo](/images/content/bbl-logo-white.png) Bike & Brain News · Jan 1, 2026 ## Bike Brain Law Launches Website to Help Victims of Bike Crashes and Brain Injuries Attorney Dan D'Angelo designed Bike Brain Law's website to help Colorado bicycle crash and TBI victims find answers and find a trusted, experienced lawyer. ](/blog/launch-of-bike-brain-law-website) [ ![Brain imaging scans on a medical lightbox](/images/content/img_7090.jpg) Brain Injury · Dec 18, 2025 ## A Negative CT or MRI May Not Rule Out a Traumatic Brain Injury Imaging sensitivity, slice thickness, and timing all matter. A 'normal' scan does not mean no TBI occurred, particularly for mild TBI and concussion. ](/blog/negative-imaging-does-not-rule-out-tbi) [ ![Medical imaging equipment in a hospital](/images/content/img_6736.jpg) Brain Injury · Dec 17, 2025 ## Is Radiology Imaging Needed to Diagnose a TBI? No. TBIs, especially mild ones, are diagnosed using clinical factors like loss of consciousness, post-traumatic amnesia, and Glasgow Coma Scale. ](/blog/is-imaging-needed-to-diagnose-tbi) [ ![Aerial view of a winding mountain road in Colorado](/images/content/img_0678-aerial-lookout-1-.jpg) Brain Injury · Dec 14, 2025 ## You Don't Need to Lose Consciousness to Suffer a Traumatic Brain Injury Loss of consciousness is only one of several diagnostic factors. Amnesia, altered mental state, neurological deficits, and intracranial lesions also matter. ](/blog/you-dont-need-loss-of-consciousness-for-tbi) [ ![Cyclist riding on a Colorado mountain road](/images/content/img_0289.jpg) Brain Injury · Dec 13, 2025 ## You Don't Need to Hit Your Head to Suffer a Traumatic Brain Injury Coup-contrecoup injuries, rotational forces, and whiplash can damage the brain inside the skull even without direct head impact. ](/blog/you-dont-need-to-hit-your-head-for-tbi) [ ![Drone aerial view of a Colorado mountain landscape](/images/content/dji_0028.jpg) Brain Injury · Dec 12, 2025 ## Not All Traumatic Brain Injuries Are the Same Mild, moderate, severe, and complicated mild. TBI severity classification is evolving. The new CBI-M framework aims to better reflect real outcomes. ](/blog/not-all-tbis-are-the-same) [ ![Cyclist on a Colorado road at sunset](/images/content/img_6114.jpg) Brain Injury · Dec 11, 2025 ## Why Brain Injury Signs and Symptoms Can Be Difficult to Identify TBI is often called the 'invisible injury.' Symptoms may overlap with other conditions, be delayed, or be masked by pain from other injuries. ](/blog/why-tbi-symptoms-are-difficult-to-identify) [ ![Cyclist on a Colorado road](/images/content/img_1790.jpg) Bike Injury · Dec 10, 2025 ## Your New Bike and Store of Purchase May Be to Blame for Your Crash Big box stores routinely fail to properly assemble bikes. Improper torque on stems, bolts, or fasteners can cause sudden, catastrophic component failure. ](/blog/new-bike-store-may-be-to-blame-for-crash) [ ![Cyclist riding through a Colorado canyon](/images/content/img_7414.jpg) Brain Injury · Dec 10, 2025 ## Brain Injury Symptoms & Signs A complete list of physical, cognitive, communication, and behavioral symptoms, plus the clinical signs doctors look for to diagnose a TBI. ](/blog/brain-injury-symptoms-and-signs) [ ![Switchbacks on Lookout Mountain near Golden, Colorado](/images/content/img_1113-lookout-switchbacks-all-.jpg) Brain Injury · Dec 9, 2025 ## What Is a Brain Injury? Traumatic vs non-traumatic, primary vs secondary injury, and diffuse axonal injury. A foundational guide to how brain injuries occur and evolve. ](/blog/what-is-a-brain-injury) [ ![Cyclist riding in a designated bike lane in Denver](/images/content/img_1005.jpg) Bike Injury · Dec 9, 2025 ## 12 Steps to Take After a Bike Crash to Protect Your Rights Colorado-specific guidance: from stopping at the scene to filing your own crash report when police decline to investigate. Protect your case from minute one. ](/blog/steps-after-bike-crash-to-protect-rights) [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/) Colorado's dedicated brain injury and cycling accident attorney. Serving Denver and communities across Colorado. [](https://www.instagram.com/bikebrainlaw/)[](https://www.facebook.com/BikeBrainLaw/) ## Practice Areas - [Traumatic Brain Injury Claims](/practice-areas/traumatic-brain-injury) - [Cycling Accident Claims](/practice-areas/cycling-accidents) - [Bicycle Product Liability](/practice-areas/bicycle-product-liability) - Distracted Driver Injuries - Aggressive Driver Injuries - Dangerous Property Conditions - Insurance Claim Negotiation - Litigation & Trial ## Colorado Cities Served - Arvada - Aspen - [Aurora](/service-areas/aurora) - [Boulder](/service-areas/boulder) - Castle Rock - Centennial - [Colorado Springs](/service-areas/colorado-springs) - Cortez - Crested Butte - [Denver](/service-areas/denver) - Durango - [Fort Collins](/service-areas/fort-collins) - [Golden](/service-areas/golden) - Greeley - [Lakewood](/service-areas/lakewood) - Littleton - Longmont - Loveland - Pueblo - Steamboat Springs - Sterling - Thornton - Vail - Westminster ## Contact - [303.831.1116](tel:3038311116) - [info@bikebrainlaw.com](mailto:info@bikebrainlaw.com) - 3000 Lawrence St. #23 - Denver, CO 80205 Bike Brain Law is the DBA of D'Angelo Law Office, P.C. and Attorney Daniel E. 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