Once it is up and running its easy to take on and off. Comes with three clamp arms 2 Thule and 1 Fiamma one. The lock has gone on the longer Thule arm but we never used it. The item "Thule 973 Backpac 3 Bike Carrier" is in sale since Sunday, August 1, 2021. This item is in the category "Vehicle Parts & Accessories\Car Accessories\Touring & Travel\Bike Racks".The seller is "shorthorse" and is located in Plymouth. This item can be shipped to United Kingdom.