The Vinsguir Ab Roller Wheel is on sale for $20 ... Instead of a single wheel, it has two 3.2-inch wheels, which make it more ...

and the ultra-wide wheel tread provides the stability we need to work on our obliques without feeling wobbly or unsteady. One thing we really appreciate about this ab roller is the ergonomic hand ...

The Vinsguir Ab Roller Wheel is on sale for $20 ... which make it more stable and reduce side-to-side wobbling. It’s also super tough—rated for a maximum weight of 440 pounds—and features ...