A fixed roller made by GIANT that provides stable training. - Brand: GIANT - Type: Fixed Roller - Color: Gray - Features: Support for stable training Giant CYCLOTRON AUTO 2 Size: 57 x 62 x 40cm (when placed on the floor) Weight: 8.5kg Frame Material: Aluminum Compatible Wheel Diameter: 24 x 1.75 to 29 x 2.1 Load Unit: Magnetic Load Adjustment Function: Automatic Maximum Output: 900 watts Thank you for viewing. I purchased it used and haven't used it much, so I've stored it in the product box.