XDA and SDA Locks for Harley-Davidson

Style and Function

It's no secret that Harley-Davidson produces some of the finest and most sought after motorcycles on the road today. With so much attention and desire for the brand, it's no wonder why protection is at the top of our list at RoadLoK Security. In 2007, we set out to create a locking system to protect a Harley-Davidson while blending into the original look of the bike. Over 14 months and countless hours of testing and design have gone into our SDA and XDA line of add-on locks. All of our locking systems for Harley have one thing in common...rock solid protection and great looks!


Take a look at our entire line of add-on systems and our complete caliper upgrade packages.

Harley-Davidson Lock Systems

  • RoadLoK on Kawasaki HHI/RoadLoK Caliper Sets

    Complete 4 piston caliper upgrade with the RoadLoK built right in. Award winning design and function.

  • RoadLoK XDA Series

    Add-on System with the same function as our caliper upgrade allowing riders to keep their OEM braking system.

  • RoadLoK and Bikers SDA series

    Our 2009 product line with the same great features as our XDA.

Harley-Davidson Applications

  • All Touring Models 1984-2011
  • All Softail Models 1984-2011
  • Dyna Models 1984-2011 (Fatbob requires longer brake lines)
  • V-Rod Models All Years(except Muscle)
  • Sportster Models 1991-2011 (except '48 and 1200C HD1)

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