The Thule Circuit is one of Thule's most affordable fork style bike carriers. The Circuit is a well engineered work of art that combines styling, strength, and function at a great price. It is a sleek, aerodynamic, and hassle-free way to safely and stylishly transport your bikes on your roof rack.
The Thule Circuit is a fork style roof rack. For those unfamiliar, the fork style racks require you to remove your front wheel and lock your front fork into the rack. In exchange for the hassle of removing your front tire, you gain superior stability and strength. The Circuit is designed to fit most disk brake and suspension combinations with standard 9mm axels. Additionally, the Circuit will fit tires up to 2.6" wide and high profile rims. With your front fork locked down, you strap down your rear tire with the telescoping rear wheel tray. This tray slides along a track that allows you to fit a wide variety of sized bikes. The Thule Circuit can carry bikes that have wheelbases up to 48" long.
One of the best features about this rack is the ultra low-profile AeroHead fork mount assembly with Front Nose Lever Mechanism. These features make installation trivial and allow for optimal tension tightening on your bike's forks. Getting the tension right on your forks is critical for two reasons. First, you want to make sure your bike is securely mounted so it won't fall off or rattle when driving. Second, you need to make sure you don't over tighten your forks because you may bend and cause permanent damage to your forks.
Like most of Thule's racks, this Circuit can be completely installed without tools! Additionally, the Circuit is designed to fit a wide variety of roof rack crossbars including round, square, oval, and most aero styles. It will fit any Thule or Yakima crossbars, and will fit most other factory roof racks. Thule takes pride in manufacturing products that fit universally across most vehicles.
If you want Thule quality at the most affordable price, then you don't need to look any further than the Circuit.
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