Trucks are sold as pairs.
sizes below:
- 109 - 6.9" axle, for boards under 7.6"
- 129 - 7.6" axle, for boards 7.4" - 7.8"
- 139 - 8.0" axle, for boards 7.8" - 8.2"
- 144 - 8.25" axle, for boards 8.2" - 8.375"
- 149 - 8.5" axle, for boards 8.375" - 8,6"
- 159 - 8.75" axle, for boards 8.6" - 9"
- 169 - 9.125" axle, for boards 9" - 9.5"
- 215 - 10" axle, for boards 9.5" and up