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
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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

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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