Typically, grips are bolted to the handlebars when installing on most cruiser-style applications. If you have rubber grips or motocross style grips, you will need to use some type of adhesive to install them on the handlebars. Check out our How to Install Motorcycle Grips in 3 Steps article for great step-by-step info on several install options. You can use grip glue to install this type of motorcycle grip or you can uses old school methods like spray paint or even hair spray. Simply shoot a small amount inside the grip and slide it on the handlebar before it dries. Motocross riders will also use safety wire to help keep the grips in place after glued applications. If you have knurled handlebars you can install rubber grips without adhesive by using an air hose. Insert the tip of the air hose inside the grip and push onto the bar while forcing air into the grip.