VEVOR Wheel Dolly, 1 Set Wheel Dolly Car Skate, Heavy Duty Vehicle Positioning with Ratcheting Foot Pedal, Ratchet Type Tire Skate Tire Jack for Car Truck RV Trailer, 1500 LBS

It only has one dolly.

13-inch tires are suitable for moving the car on flat ground. You asked about the boat trailer, but I don't know the usage scenario. Please check the purpose of the product. If it is towed on a car, it is not allowed. It is suitable for temporary close-range moving after the emergency passage is blocked.

There are many types of motorcycles, and it is recommended to refer to the specifications and applicability of the product on the official website.

We do not sell parts separately. All our products have a 12 month warranty and if there is a problem with your purchase during the warranty period, we can send you a replacement part free of charge(Except for consumables). Please click the following link to contact us: https://www.vevor.com/pages/contact-us.

This product is designed for 13-inch wide tires.