One of the great things about triking is how nice it is to have everything right at hand as you roll along. With a SeatSide mount, you can have all sorts of things close at hand. The Catrike SeatSide Mount lets you carry bags, water bottles, cameras, all sorts of things, right by your side. Snacks, phones, lip balm, you name it, now you can keep it all within reach while riding. Attaches to the main frame tube below the seat. We recommend this for people who want maximum versatility in where things are located, or need quick on/off removability. Bag and cage not included.