Kawasaki Vulcan S Features. The all-new Vulcan S cruiser motocycle comes with an 18-inch wheel up front and 17-inch wheel at the rear. The front wheel is shod in 120/70 rubber and is equipped with a 300 mm single disc brake with dual-piston, while the rear wheel gets 160/60 section tyres with 250 mm disc and a single piston.
