Having recently hired a 4 bike, tow bar mounted, bike carrier from Big Bear Outdoor in Oundle, I have negotiated a 10% discount for SNCC members of all hires.
They also hire bike boxes, tow bar and roof mounted bike carriers, roof boxes, trailers, tents, etc. as seen on their website; bigbearoutdoor.co.uk.
They are based in Oundle and can be contacted on 033 33 22 44 55, or This email address is being protected from spambots. You need JavaScript enabled to view it..