You can buy most things in Brick Lane market. From fruit and veg to wire hangers and broken records. Not scratched but broken. If your bike ever gets nicked it's a sure bet that you will be able to buy it back down Brick Lane
Blackmans is just off of Brick Lane and sell a fine selection of Doctor Martins and other industrial boots and shoes. A favorite haunt of 70's skinheads this shop now specialise in 'plimsoles'.