Motorcycle Adjustable Helmet Strap Retention System Head Locking Buckle For Cycling Skiing Skating Equestrian Helmet Safe

Features: Easily adjust the head circumference to ensure the stability of the helmet Made of high quality material, durable and functional Great for cycling, skiing, skating, equestrian, mountaineering helmets Installation method: Turn the knob to the maximum head circumference, fix the adjuster on the helmet with adhesive tape, check whether the position of the nail and the hole are consistent,Record the position of the hole, and then consider the installation method, cut off the excess parts, and then punch hole, embedded in the hidden button, and finally installed Specification: Material:ABS Color:Black Size:As the picture show Package Included: 1 x Helmet Adjuster NO Retail Box. Packed Safely in Bubble Bag.