The LOOK 2 mm Q-Factor adjustment rings are precision pedal spacers engineered to widen your stance width. Positioned between the pedal axle and crank arm, they increase the Q-Factor by 2 mm per side (+4 mm total) to optimize hip-knee-ankle biomechanical alignment. Essential for riders with wider hips, they prevent heel rub against crank arms or chainstays and fix dynamic knee tracking...