A 52x19 gear would be about 72 inches which is okay for London. Rear cogs larger than 19 teeth are not easy to come by though so you may struggle to go any smaller.
Coldsetting a frame is a posh term for bending it. If done properly it shouldn't damage the integrity (or the paintwork) of the frame.
A 52x19 gear would be about 72 inches which is okay for London. Rear cogs larger than 19 teeth are not easy to come by though so you may struggle to go any smaller.
Coldsetting a frame is a posh term for bending it. If done properly it shouldn't damage the integrity (or the paintwork) of the frame.