The weight of the Swinging Wheels is 3.5 kilos per side. That is even less than a full shopping bag. So you don’t have to worry about the weight. The total width of the Swinging Wheels is in most cases just over 70 centimeters. You can compare it when you cycle with double side bags. Double side bags have a width of approximately 55 centimeters. Your bicycle will then be just under 10 centimeters wider per side than a bicycle bag. You do have to take into account the bicycle that you are slightly wider with our support wheels. It is important to keep this in mind when, for example, you are overtaking someone or driving past bollards. In some cases, the width can reach 75-85 centimeters, due to a wide rear wheel or a gear hub.