Costway SP37139 Bike Trainer Folding Bicycle Indoor Exercise Training Stand Black.The built-in double locking system can firmly fix the bicycle on the rack to ensure the safety of the exerciser during the exercise and reduce potential hidden In addition, you can easily remove the quick release lever and install the bicycle by turning the knob.

Product Dimensions:

23.50 x 21.00 x 15.50 in

15.00 lbs

Shipping Dimensions:

21.00 x 18.55 x 8.50 in