Expand your Jack-IT PRO two-bike carrier to haul four bicycles with this Four-IT add-on extension. It mirrors the original carrier’s features and function while mounting in tandem, allowing secure dual-bike transport on the extension.

Twin spin functionality on both the V-Wing and stinger bar simplifies loading and unloading, while common-keyed spin pin locks and cables secure your bikes firmly in place.

• Expands Jack-IT PRO to carry 4 total bikes
• Carries 2 bicycles on extension module
• Frame-mount type for A-frame trailers
• V-Wing parallel mounting on either side
• Twin spin for easy bike loading
• Common-keyed spin pin locks with cable security
• Adjustable wheel cradles fit standard bike sizes
• Aluminum construction with protective pads
• 1-year limited warranty