With this system you can attach aftermarket rims with no problem.
Parts needed:( REQUIRED) TO ASSEMBLY
Bicycle Seat Post clamp with the diameter of 34.9mm
Screws for Wheelbase and Aftermarket Wheel
Installation:
Part 1: Part where the clamp gets attached(picture number one)
Part 2: Part that goes onto the wheel (Picture two)
2.) Screw Part one onto the Wheelbase
3.) Screw Part 2 onto the Wheel
4.) Attach the bike clamp to Part 1
5.) Put Part 2 into Part 1
6.) Tighten the clamp
7.) Enjoy!