wheelbase-

Wikipedia gives the following numbers- Duke Rake, Trail- 25°, 100 mm (3.9 in) Wheelbase- 1,367 mm (53.8 in) RC 390- Rake, Trail- 23.5°, 89 mm (3.5 in) Wheelbase- 1,340 mm (53 in) I thought both bikes used the same frame, but I'm open to correction. So these dimensional difference are the...