BRIS lightweight aluminum trolley for the Optimist sailboat with solid rubber puncture proof wheels and new hull supports. With Bow wow,a unique system to lock the bow to the dolly with one quick and simple movement. The dolly has been designed to be the most functional available. Spring locking (Quick release) of all parts allows the unit to be disassembled in a matter of seconds for storage and travel. The frame has welded joints and is anodized to prevent corrosion. The hull of the Optimist boat remains positioned between the support and your can store the Optimist boat the way you like it, upside down or right side up. The diameter of wheels is 14" and 3" in wide. All aluminum structural joints not plastic. Easy to assemble. Rounded edges to protect your boat. Uses solid foam filled wheels , not a flat tire. Features: Recommended max. weight: 90 Lbs. Solid aluminum construction Welded, all metal frame with no plastic connectors vitually eliminates repair The diameter of wheels is 14" and 3” in wide Spring locking (Quick release) of all parts allows the unit to be disassembled in a matter of seconds for storage and travel Shipping information: All items are in stock and will be shipped within 24 hours after receiving cleared payment. Please note that items purchased on weekends will shipped the next working day. We offer the competitive prices online and Free Shipping to Lower 48 states. Sorry we can not to Hawaii,Alaska,Puerto Rico . All International Buyers are responsible for paying any required duty or import taxes. Please note that we are not able to ship to PO Box address. Local pick up welcomes. please contact us for the details. Warranty Return: All BRIS boats parts come with 1 years manufacture warranty. Damage and normal wear, tear are not covered . Guarantee begins when product is delivered. Return is accepted within 30 days of receipt after you fully explain the problems. Please allow up to 5 business days for returns to be processed. All items must be returned in original packaging, including all accessories.Such as aluminum floor, oars, foot pump and repair kits etc. Customers are responsible for charges associated with shipping of returning item