Feature●Universal Parts Front Fork Stem for 150cc and 125cc GY6 engine based Sport Style scooters. Overall●Length: 15 inches Fork Tube Inner Diameter: 30mm Stem Thread Size: M26x1.00 Fork Mount Thread Siz●e: M10x1.25200mm Shock Center to CenterDescription Universal Parts Front Fork Stem for 150cc and 125cc GY6 engine based Sport Style scooters. Overall Length: 15 inches Fork Tube Inner Diameter: 30mm Stem Thread Size: M26x1.00 Fork Mount Thread Size: M10x1.25200mm Shock Center to Center