Eye-South Bank-Tat Modern-London Bridge-Tower-Wapping-Canary Wharf-Docklands-Woolwich Ferry-Dome-Greenwich* (pub stop)-Deptford-Rotherhithe-Tower Bridge-City Hall-Borough Market (pub stop)-South Bank-Eye.
*Option of getting the Riverbus back into Central London. Bring Oyster card, as you’ll get a discount. A couple of quid more without.
History, culture, engineering stuff, boat ride(s), architecture, beer- what more could you want or possibly need???
The odd step thing to jump off, for the foolish adventurous.
Virtually all along paths, or quiet roads. A good 2-3 hours of riding, plus some very good pubs, and fantastic views of London.