Clamp On , will hold 3 Bikes with a weight limit of 60kg. Carrier locked into place with ball and lever type mechanism and locked with key. You will need a tow ball on your vehicle to attach this. Witter bike rack systems are probably the best quality products of there kind on the market place.Unit is in excellent condition and is easy to use. The item "Witter Towbar Zx310 Clamp On 3 Bike 60kg Mounted Cycle Carrier Bike Rack" is in sale since Thursday, September 2, 2021. This item is in the category "Vehicle Parts & Accessories\Car Accessories\Touring & Travel\Bike Racks". The seller is "marraman1969" and is located in York. This item can't be shipped, the buyer must pick up the item.