There is cycletastic in Kilburn, they do low cost bike repairs and salvage out of a shipping container: http://cycletastic.org.uk/
They are active at the moment opening weekends and I have done stuff for them before. Really worthy activity.
Gotta second cycletastic. It's a shame that they had to close the shop down, but we are planning on opening another shop soon under new branding ;)
@Backstop started
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There is cycletastic in Kilburn, they do low cost bike repairs and salvage out of a shipping container: http://cycletastic.org.uk/
They are active at the moment opening weekends and I have done stuff for them before. Really worthy activity.