Strengthen and tone your core muscles and upper body and work towards the six pack you always wanted with this innovative Opti Exercise Wheel. The wheels are designed in such a way that prevents sliding and contoured rubber hand grips make it more comfortable for you to use. Compact and portable, it is the perfect addition to any fitness session. Contoured rubber hand grips. This innovative exercise wheel features to prevent sliding and provide comfort whilst exercising. Compact and portable, the wheel will help tone your abdominals and upper body. Maximum user weight 100kg (15st 10lb). General information: Size H28, W28, D33cm. Weight 2.81kg. Minimal assembly.