The Kuat Piston Pro X Add-Ons can extend the capacity of the 2″ version to carry 3 or 4 bikes total.
- Compatible with 2″ Piston Pro X
- With 1-bike Add-On, capacity is up to 50 lb per tray
- With 2-bike Add-On, capacity is up to 40 lb per tray
- Not approved for RV use