Amonax - The UKs #1 Convertible Ab Roller for Abs Building One of the most important differences between a double-wheel and single-wheel abs roller is how stable it feels, and therefore how intense/robust your exercise is. The two different setting can complement each other in all training programs. The MUST-HAVE Fitness Equipment for Home Gym. The double-wheel setting provides enough stability for beginners to build up the initial strength, whereas the less-stable single-wheel setting uses more shoulder stabilizing muscles for a more challenging exercise. Strong Wheels Amonax ab wheels are solid, made with upgraded polypropylene and wrapped by premium rubber wheel tread. Unlike cheap plastic ones, it is one of the strongest, most sturdy, and easy to use core and abdominal strength training equipment.
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