RAM X Grip Holder Stem Mount Brown Fit note: Measure over the LS3537WH 3XL Fit note: Measure over the clothing you expect to wear underneath and allow room for comfortable shoulder movement in the riding position The face shield also has multiple opening positions to increase or restrict the main eye port airway This part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12 20mm and 28mm or Marine Grade Stainless Steel Components & High Strength CompositeBall Size:1" Rubber Ball "B" SizeNote:Certain motorcycles require adding electrical tape to the area of the plug that is the largest diameter until it fits snugly in the stem