Cycling and biking are among the common adventure activities one can do in Nandi Hills. Cycling has its own thrill here because it is slightly different from regular cycling on planes, because the speed drops to less than 3 km/hr while the effort required increases by folds.
Nandi Hills is an ideal place for a biking trip as well. Bangalore to Nandi Hills is a good start for beginners. Cycling can be a joyful experience as one gets to explore the nature closely, along with the hills.