on 4 February 2014
If your using a thule roof rack and more than one thule 591 bike carrier
Then u need these keys, yes keys come with the items, but carrying 3 sets of keys is a real pain and a hassle when you.ve got a 1 in 3 chance of using the correct key, which could lead to damaging the key and barrel, worst case getting the key stuck in the wrong barrel.
Therefore buy these fit them and you have one key for all locks, and one spare, when it's raining and your cold and tired from a ride you don't want to mess about getting the right key..
Ps a cheaper solution might be to get some nail varnish and colour code the locks and keys