This is the Heavy Duty version for those who really plan to carry a load. The Wanderlust HD was designed to fit most bicycles with 26" or 700C rear wheels.
Please read the blog post for more detail.

• Tubular 4130 CroMoly Construction
• 110 x 325mm flat deck surface
• Multiple cross bars provide pannier mounting options
• Large pannier hook stops
• Minimalist taillight/blinker mounting bracket
• Rack mounting kit included
• Maximum Recommended Load: 55lb (25kg)
• Features extra long struts for improved range of fit
• Color: Black