Tubes & Sizing 14 Inch Options: 3.60/4.10-14 16 Inch Options: 90/100-16 17 Inch Options: 2.75/3.00-17 4.00/4.50-17 18 Inch Options: 2.25/2.50-18 2.75/3.00-18 110-120/100-18 19 Inch Options: 2.75/3.00-19 70/100-19 100/90-19 4.00/4.50-19 21 Inch Option: 2.75/3.00-21
