What is an add-on?
What is an add-on?
An Add-On is an attachment that expands your existing hitch rack setup, letting you transport more bikes without buying a whole new rack system. 1UP USA Add-Ons connect directly to your base rack to increase load capacity; Ideal for group rides, race days, or anytime you need to bring an extra bicycle along for the ride.
FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
We offer Add-Ons for our 1UP USA hitch-mounted bike racks, including Quik Rack, Equip’D, Heavy Duty, Super Duty, Xtreme Duty, and they are also compatible with Cargo Rack models. Check product specs to confirm compatibility with your specific rack system.
Each Add-On increases your capacity by one bike. Depending on your base rack and hitch receiver capacity, you can expand your setup to carry multiple bikes. Always check your vehicle's tongue weight limits and the load capacity of each attachment before loading up.
Yes! Our Add-Ons accommodate a range of tire sizes. For bikes with fat tires using the Quick Rack, Equip’D, or Heavy Duty Add-On, pair your setup with a fat tire spacer kit to fit tires up to 5" wide. The Super Duty or Xtreme Duty Add-Ons already fit tires up to 5” wide.
Absolutely. Like every rack we build, our Add-Ons hold your bike by the wheels only, so your frame and disc brake components stay protected.
Yes. We offer Replacement Parts for every rack and attachment we sell, so you can keep your setup road-ready for years.

EXPLORE HITCH RACK OPTIONS
EXPLORE HITCH RACK OPTIONS
COMPLETE YOUR SETUP
COMPLETE YOUR SETUP
Building the right rack system depends on how many bikes you carry, what types of bikes you ride, and how your vehicle is set up. Our Help Center walks you through the options, from base racks to Add-Ons, so you can find the perfect solution for your next bike ride or group adventure.