Before revision: Gravity Riding down a mountain without pedaling, enduro, freeride/north shore style and downhill are collectively known as "gravity" H Half-wheel or Half-wheeler A rider that rides half a wheel in front of another on training rides and group rides.
After revision: Gnarl or Gnarly a difficulty, dangerous and/or "technical" path to rideGravity Riding down a mountain without pedaling, enduro, freeride/north shore style and downhill are collectively known as "gravity" H Half-wheel or Half-wheeler A rider that rides half a wheel in front of another on training rides and group rides.