Lock Body Clamp Kit

This kit includes everything you need to change the CRC System clamps to a keyed locking configuration.  Be sure to check your rack clearance before purchasing this kit.


  • Two lock bodies with key cores
  • Two hand knobs
  • Two keys

required crossbar clearance

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Crossbar Dimensions

Useful dimensions when discussing rack fit are your cross bar thickness and width in the first image below and the clearance from your cross bars to your vehicle roof as shown in the following images.

Please note the minimum clearance for our locking clamp bodies on examples of popular crossbars below. For users with the keyed style lock bodies that want to use crossbars without the necessary minimum space underneath we can offer our low profile kit.

Yakima Aero Bars

Rhino Rack Bars

Round Bar (Yakima 1-1/8" Diameter)

Square Bar (Thule Bars and Others)

Notes On Other Crossbar Dimensions

Some factory aerobars are very low and close to the roof of the vehicle and extremely thin. Our standard and XL clamps now come stock with low profile mounting hardware to accommodate this popular style of roof rack.

Depending on your crossbar size and selection you may require the XL clamp. You can use our clamp size selection tool on the CRC System page or simply send us an email with details on your rack.

*Please contact us if you have a unique or odd cross bar system and we will do our best to get you up and running.

Customer Reviews

Based on 5 reviews
Jeffrey Hayward
Lock Body Clamp Kit

I highly recommend these clamps. Easy to install and lock/unlock. I feel my rod(s) are safe when I’m in the water. Well worth having.

Keith Darling
Locked and Loaded!

This sturdy and secure lock system gives me peace of mind, especially when parked at my out of the way river destinations!

Richard Rochelle
Works Great!

This is the perfect upgrade to secure the Trxstle to my racks. Everything is included to adapt to your racks height over the cab.

William Gruber
Locking system

Easy to install. Worked well.

Dave Christiansen
Standard Purchase

I didn’t discover these locks until after my purchase of the two pack carrier. No brained to be able to lock system. Actually I thought locks were a part of the system. Please include them with your standard purchase!

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