Bike Trail From Head Angle And Fork Offset Calculator Wheel / Tire Size 700c x 25mm (Road) 700c x 32mm (CX/Road) 700c x 42mm (Gravel) 29″ x 2.4 (MTB) 27.5″ x 2.5 (MTB) 24″ (Youth) 20″ (BMX) Head Angle (°) Fork Offset (mm) Calculate Trail Ground Trail — Wheel Flop — Save Results as Image
