Thule Circuit Bike Mount


Low-profile fork-mount bike rack for security, convenience, and aerodynamic styling.

Warranty: Lifetime

The original Prinsu Rack

American Made

Practical | Innovative | Superior

Product Description


  • Easy to secure the bike to the carrier with the locking skewer (lock and cylinder sold separately)
  • Fast loading and security provided by lockable skewer with same-side adjustment dial (locks sold separately)
  • Versatile design compatible with standard 9mm axles and most disc brakes
  • Easy to install with universal tool-free mounting
  • Integrated wheel cradle high-wall design provides protection and perfect fit beneath your wheel
  • Low-profile aluminum tray made from corrosion-resistant aluminum to withstand the elements
  • Secure the rear wheel quickly with the ratcheting wheel strap
  • Locks the bike to the bike rack and the bike rack to the roof racks with Thule One-Key lock cylinder (sold separately)
  • Fits Thule rack systems, round bars, and most factory racks with around the bar tool-free mounting

Technical specifications

Load capacity35 lb Dimensions55 x 8.6 x 5.25 inWeight6.1 lb Fits round frame dimensionsAllThru-axle compatible ✓  Adapter/s required carbon fork dropout compatible ✓ Fits roof racks with 20×20 mm T-tracks ✖Fits roof racks with 24×30 mm T-tracks ✖Fits Thule WingBar Evo ✓ Fits Thule AeroBlade ✓ Fits Thule SquareBar ✓ Fits Thule ProBar ✓ Fits Thule TracRac – Truck ✖Fits Thule TracRac – Van ✓ One Key System compatible ✓ Model number526XT

Prinsu Rack Lead Time: 7-10 days