Cycling would cater more to cadence work and leg strength. One thing is if you were to exercise beyond your anaerobic threshold, maybe a bike is a bit safer.
How ever impact will never match running, to the point I'd say do both. Some people need to do cycling because they need to limit impact due to already damaged/weak joints.
Competing every night, both ends, shoot inside/outside, fast break, transition, Monta Ellis have it all