Plastic; Cycling mat: adjust the front wheel to be as high as the rear wheel through the front wheel pad to avoid riding fatigue caused by the height difference between the front and rear wheels, mat for indoor riding; Bike trainer front wheel block: the special structure shape enhances the stability and safety, giving a nice cycling experience, bike mat; Pad for bike front wheel: raise the front wheel quickly to ensure the correct riding posture, which is beneficial to the safety of the rider, bike front wheel mat replacement; Plastic bike front wheel block: we set out with the goal to build the functional front wheel block to help you maximize your indoor training, bike wheel stands; Bike wheel holder: manufactured with sturdy plastic material, and enough to use, cycling training front wheel stand

What's in the box
4 x Bike Trainer Accessories