Frequently Asked Questions
1. Why underseat?
Rear racks have their place, but underseat racks really let you carry things.
A rear rack is great for light things, or occasional use, but when you want to
carry things on a regular basis, underseat is the way to go. With the weight low
and centered, your bike's handling is not affected like is with a rear rack.
When the amount of weight gets significant at all, the difference is very
2. How much can I carry?
A lot. Our racks are rated 30lbs/side, but they can carry more. So, more than
you are probably ever going to need to carry. It's good to know you've got
capacity to spare if you ever need it.
3. What panniers can I use?
Any pannier with the hooks near the top. You can adjust your rack up and
down, but most people find positioning the pannier rail about 2 inches below the
seat works best.
4. How do they install?
We machine special arms that clamp to the main tube. Each arm is shaped for
the frame, seat rail, and chainline of the bike it's used with. The arms have
cable tunnels for the rear deraileur and brake cables for the bikes that need
that. It depends on your seat position, but generally one arm will go in front
of the seat and one behind the seat. You lay the arms on the frame, attach the
machined clamp arches from underneath, and finally, attach and adjust the
5. Why don't you make one for the new ovalized tube bikes?
We do! It's on it's own Rans
Oval Tube Rack page though.