Today while overhauling him I put some new leather YELLOW mud-flaps on. I got this from Jim Barret of Kettering Leather who works with leather and also a Brompton fan
|Drilling out the rivet on rear mudguard
|Rear mud flap
|Front & rear Mudflaps
You can also get leather top tube protector, handlebar /saddle bags & hub shiners in different colours to match your Brompton. There is even a "bespoke" section for something unique you may have in mind. Check out the link below to order your leather for your Brompton.