The CChand Mountable Spare Tire Bag is a great scale accessory to add realistic detail to your build. This spare tire bag is easy to install, and fits tires with a 75-100mm outer diameter. The bag features a hook/loop enclosure to keep the flap closed, with exterior webbed pouches for even more detail. The bag weighs 15.3 grams and measures approximately 35x65x75mm (DxWxH).