Mach2 Calculator V5 Can I Safely Use the Mach2 2″ (Long Version) on my vehicle? (for purchases after May 20, 2026) 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 Bikes*1234Provide the weight for each bike below.Bike WeightsEnter the weight of each bike in whole pounds (round fractions up).Bike 1 WeightLbs.Bike 2 WeightLbs.Bike 3 WeightLbs.Bike 4 WeightLbs.Evaluate my configuration Bike weights over capacity? Click here for more info. Δ