The inner part of the kinetic engine uses a carbon steel spring to strengthen the abdominal and arm exercises. It is a cylinder with internal resistance that helps to maximize muscle growth in the abdomen and arms. The kinetic engine, which consists of a durable carbon steel spring, assists in retraction to enhance bending and arm training.
100% new and high quality
Very environmentally friendly
Material: Plastic, Carbon Spring
Dimensions: 22.5x20 cm
The package includes:
1x Perfect Fitness Ab Carver Pro
Product Type: Roller