I use a big fat abus cable and a kryptonite mini but i would NEVER leave my bike outside, out of my direct line of site ANYWHERE in london. in brick lane i have caught someone tagging my bike twice, and the same goes for brixton (2 bad areas i know). But yeah, the best way to not getting a bike stolen is to always be able to lock it in areas away from the public. Not exactly helpful, but any lock will be fucked in a depressingly small amount of time.
I use a big fat abus cable and a kryptonite mini but i would NEVER leave my bike outside, out of my direct line of site ANYWHERE in london. in brick lane i have caught someone tagging my bike twice, and the same goes for brixton (2 bad areas i know). But yeah, the best way to not getting a bike stolen is to always be able to lock it in areas away from the public. Not exactly helpful, but any lock will be fucked in a depressingly small amount of time.