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Thule 599XTR Big Mouth Bike Rack

Single-bike roof carrier

Item #: 094599XTR

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Thule's 599XTR Big Mouth roof carrier attaches to Thule and Yakima load bars, allowing you to transport a single bike. A sculpted wheel tray and support arm allow easy loading and unloading of your bike. The carrier accommodates bike frames up to 3-1/8" in diameter. All Thule equipment passes tough European safety standards for car racks.

Product Highlights:

  • carries a single bike
  • fits Thule and Yakima load bars
  • sturdy build with sculpted wheel tray and support arm
  • accommodates bike frames up to 3-1/8" in diameter
  • locking accessory sold separately
  • warranty: limited lifetime
  • Our 60-day money-back guarantee

Thule 599XTR Big Mouth™ Bike Rack Reviews

Hands-on research

What's in the box?

Download owner's manual

  • Wheel tray
  • Upright carrier
  • Road bike adapter
  • 2 Wheel straps
  • 2 End caps
  • 2 Levers
  • Lock plug
  • T-bolt
  • L-clamp
  • Barrel nut
  • Hex key
  • 2 Carriage bolts
  • Wing knob
  • Washer plate
  • Square nut
  • M6 x 8mm bolt
  • Instructions

Product Research


Overview: The Thule 599xtr-Big Mouth is a roof-top mount bike carrier designed to mount to factory, Thule and Yakima (square or round) load bars.

Note: Thule 532 Ride-On Adapter is needed for factory mounting. Xadapt2 required when used on Aero bar.

Capacity: The 599xtr-Big Mouth accommodates one bike and fits frames up to 3-1/8" in diameter (no wheel removal needed).

Our Product Research Team

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