Specialized Riprock Boys Bike (16" wheel): Great condition, everything works properly. Features include: light and strong aluminum frame; cool BMX style handlebar; 16" wheels (fits riders 38" to 48" tall); reliable rear coaster brake; brand new rubber handlebar grips; padded adjustable height seat; chain guard; tires are in very good condition; training wheels available if needed. A new Specialized Riprock 16" wheel bike will cost at least $350. Why pay that much for a new Riprock when you can get this very nice used Riprock for less. Cash Only. Will Not Deliver. If you see this ad the bike is available. If you inquire about this bike and don't receive a reply, please check your spam email folder.