Kuryakyn 1485 Passenger Drink Holder with Stainless Mug There's nothing better than a hot cup coffee on a cold morning or an ice-cold bottle of water on a hot summer day. Kuryakyn Passenger Drink Holders fasten securely to the passenger grab rails. This style features a mounting ring with a stainless mug. The clamp fastens securely to the 1/2" diameter passenger grab rails or can be mounted universally on any 1/2", 5/8", or 3/4" tubing. Note: Kuryakyn part number: 1485.