a) titanium frame. Brand = Mosaic, Model = GT1 . metal coloured , ie dull silver-grey.
b) The headbadge is a stylised tree etched onto the titanium.
c) The right side of the downtube near the seat has the name "Arjun" etched into the titanium. Further etchings: The seat tube has a stylised "GT1" at the top, and "Handmade in Boulder, CO" near the pedals.
d) The saddle and handlebars are black. The bell is dull black. Drop bars.
e) The gears are extremely unusual : they are a Rohloff internally geared hub. The cranks are black with the words "THM Clavicula SE" .
f) The wheels are black with the words "Mavic Open pro"
More details and pictures, are available at the builder's site if useful: https://www.bespokecycling.com/build-gallery/mosaic-gt-1-1
Theft Descriptiontaken while we were having lunch at the Hub cafe in victoria park, E9 7DD. Reward for return, no questions asked