Mach2 Calculator V4 Can I Safely Use the Mach2 2″ (Original Version) on my vehicle? (for purchases prior to 5/20/26) This form will help you determine if the rack and your specific bikes will work behind your specific vehicle. “*” indicates required fields "*" indicates required fields VRA-to-HPC of vehicle*VRA-to-HPC is the distance between the center of the rear axle and the center of the hitch pin in inches (see diagram).Ramp?*NoYesDo you plan to carry a ramp?Number of Bike Trays*1234Provide the weight for each bike below.Bike WeightsEnter the weight of each bike in whole pounds (round fractions up). If the tray will be left empty, enter 0.Tray 1 Bike WeightLbs.Tray 2 Bike WeightLbs.Tray 3 Bike WeightLbs.Tray 4 Bike WeightLbs.Evaluate my configuration Bike weights over capacity? Click here for more info. Δ