Approx. Wheel Pitch Dia. inApprox. Wheel Pitch Dia. mmNom. Wheel Dia. in Nom. Wheel Dia. mmNom. Hub Width inNom. Hub Width mmAvailable Bore Sizes
U.S. Sizes Metric Sizes
Round in Square in Round mm Square mm
3.9993.8096.51.025 1.5 40
5.21325.00127.01.025 1.5 40
6.51656.25158.81.025 1.5 40
7.71967.50190.51.025 1.5
2.5
10.326210.10256.51.025 1.5
2.5

Designed to work with corresponding diameter sprockets; material is UHMW-PE.