Personalized Bicycle Rocks Text Men's V-Neck T-Shirt. An image of a bike with the word rocks spelled out by happy rock critters is a funny gift design for bikers at birthdays and holidays. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem