So I have a Giant Escape 3, M size frame, 21 speed shifting, 700c wheels. Is it possible to put on some magnesium wheels? To give it sort of like a fixed look. If so, any suggestions? Thanks!
You can put on whatever wheels you would like provided they have the right hub spacing, diameter, brake type, and freehub body for the drivetrain you are using.
Considering mag wheels are typically only used on fixie and track bikes which are single speed, the hubs would likely not allow you to use gears. Also track bikes don't have brakes so it would be hard to find a mag wheel with a rim brake track.
Overall I would not recommend putting mag wheels on this bike.