Trento 3 bike towball fitting rack is easy to fit completely removable once finished we recommend that if you39ve covered up your vehicle number plate lights then you fit an additional light board to comply with road vehicle lighting laws 3 bike carrier quick and easy to fit and remove supplied with 3 pairs of bike cradles and straps lower straps have antibounce fail safe system for extra safety attaches between towball and plate leaving the towball free to use