Kuryakyn Passenger Rail Drink Holder Don't cut your ride short because of a parched passenger. This is a great solution to carry a beverage for them too. Using chrome plating that is durable and made to last, the passenger drink holder looks as good as it works. Features: Fastens securely to the 1/2 passenger grab rails or to any 1/2, 5/8 or 3/4 tubing Two styles are available: a mounting ring with stainless mug or a basket that will hold just about any can, bottle or cup.