The Specialized BG contour L/XL locking handlebar grips are designed for BMX bikes, specifically for those with flat bars. The grips are made of rubber and come in a sleek black color. This set includes both grips and a handlebar, with a clamp diameter of 22.2 mm and an item length of 135 mm. Perfect for enhancing your old school BMX bike, these handlebar grips provide a comfortable and secure grip for your cycling adventures.