These are conservative numbers made to protect your investment in your bikes. Please check your tongue weight capacity for your vehicle/hitch as OEM will not be the same as an aftermarket hitch.
These numbers do NOT take into consideration hitch adapters or extenders that could put more leverage, and therefore stress, on the hitch/crossbar that would lower these capacities even more.
1.25″ Mach2
1 bike – 120 lbs
2 bikes – 140 lbs
3 bikes – 160 lbs
2″ Mach2
1 bike – 120 lbs
2 bikes – 240 lbs
3 bikes – 300 lbs
4 bikes – 185 lbs