Rohloff Disc Brompton 4, originally uploaded by Ben Cooper.

Not the easiest Brompton conversion I’ve done

Rohloff Speedhub in the back, SON Delux hub dynamo in the front, Hope X2 hydraulic disc brakes all round, and an Edelux front light.

It needed a new rear triangle, new forks, and quite a bit of custom machining…

Rohloff S&S Touring Bike, originally uploaded by Ben Cooper.

This is what I’m finishing off today…

Custom Rohloff Speedbone, originally uploaded by Ben Cooper.

Modifying one for a Brompton…

S&S Raleigh Frame, originally uploaded by Ben Cooper.

Another S&S bike, this time a lovely Raleigh touring frame…

Two frames, originally uploaded by Ben Cooper.

Two almost identical frames in for repair – identical, that is, apart from the name. Hmm

Mountain Drive in bits, originally uploaded by Ben Cooper.

A full strip-down and rebuild…

Two S&S Thorn Frames, originally uploaded by Ben Cooper.

Paint just touched up with spray paint – beautifully made old frames, though the tapering tubes made it important to get the couplings in the right place…