OJ Wheels Giovanni Vianna Pro 54mm Elite Hardline with Tam Tam graphics by Jason Arnold. Hardline shapes feature a wide road surface for stability and consistent slide with a hard edge and conical cut for controlled tricks on coping and edges. Elite WAY TOO FAST Urethane! Flying out the lab to the streets and beyond, Elite Urethane guarantees more speed, a longer lasting roll, and hands down epic times with your crew. These wheels measure 54mm x 34mm, 99A.