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 — if defective or improperly assembled — can cause a rider to lose control.
By Attorney Dan D'Angelo
Trial Lawyer · Brain Injury Advocate · Avid Cyclist
Not all injuries from a bicycle crash are from being hit by a motor vehicle. A defect or the improper assembly of bicycle parts or components may cause a bicycle crash and serious bodily injuries or death.
The number of parts assembled on a bicycle varies but can easily exceed 50 or more. Bicycle parts that are defective or not properly installed and can cause part failure include but are not limited to:
- Axle
- Bolts
- Bottom Bracket
- Brakes
- Brake levers
- Brake pads
- Cables
- Cassette
- Chain
- Chainring
- Crank arms
- Expander plug
- Fork
- Frame
- Front derailleur
- Front derailleur hanger
- Handlebar
- Hoods
- Hubs
- Hydraulic fluid
- Pedals
- Quick release skewer
- Rear derailleur
- Rear derailleur hanger
- Rims
- Rotors
- Saddle
- Seat
- Seatpost
- Seatpost clamp
- Seatpost collar
- Shifter levers
- Spindle
- Spokes
- Sprocket
- Stem
- Stem top cap
- Tires
- Tubes
- Wheels
These parts must be free from defect and installed correctly for safe bicycle operation. If defective or installed incorrectly, the component is likely to not work as designed and could lead to failure and cause the bicyclist to lose control, fall, crash, and suffer serious injury or death.
Knowing bike parts and how to properly assemble a bike matters for winning bicycle product defect and negligent assembly cases.
Have a question about your case?
Attorney Dan D'Angelo offers free consultations for brain injury and cycling accident victims throughout Colorado.
About the Author
Attorney Dan D'Angelo
Trial Lawyer · Brain Injury Advocate · Avid Cyclist
Attorney Dan D'Angelo founded D'Angelo Law Office, P.C. in 2009 and Bike Brain Law to focus exclusively on traumatic brain injury and cycling injury cases in Colorado. An avid cyclist himself, Dan combines deep TBI science knowledge with hands-on cycling experience to build winning cases against insurance companies and corporations that put profits over safety.
- Practicing Colorado personal injury attorney since 2009
- Focused practice in TBI and bicycle injury litigation
- Multi-million dollar settlements and verdicts for injury victims
- Avid road and commuter cyclist
