Custom bike builders have been chanting for good 21 inch motorcycle tires for their projects for years. The Firestone 3.00 x 21 motorcycle tire is an excellent fit for choppers, custom motorcycles and race-inspired bikes using a narrow twenty-one inch front wheel. The 300-21 Ribbed Firestone motorcycle tire has a straight-groove tread pattern and a simple sidewall design. These are a great vintage look for any custom motorcycle with a 21-inch front wheel.

• Section width (actual): 2.91
• Overall diameter: 27.17
• Speed rating: 45S
• Rim diameter: 15
• Rim width: 1.85
• Tube type or tubeless: tube type