Yes, it's there until Sep 1st.:
Japan’s super cool bicycle company, Tokyobike, has a summer pop-up shop in Spitalfields Market. Open for just six weeks, the shop features the entire Tokyobike range, including some limited edition models and bike accessories.
TOKYOBIKE POP-UP SHOP, 8th July-1st September 2010
117 Commercial Street, London E1 6BG