breakfree clp is a very good choice, I used it a couple of time, also a silicone lube is good too, I've used it on all my indoor locks, I've changed all of them at the same time last last month, we had some robberies in our area so we were recommended to change the locks. Our local locksmith made some good money this time, but to be honest the guy deserves it, he's a really good emergency locksmith harrow. He told me about silicone lube and about breakfree clp as being the best one on the market. So you can definitely use Breakfree, you won't regret it
