Easily transport your upright bass using the original ergonomic design from RC Williams Company, LLC. It attaches to the instrument in minutes and can be used either with or without an instrument bag. The specific design of to wheels allows for more stability while transporting from street to stage and is easily maneuvered over most surfaces. Designed and manufactured by RC Williams. Made in the U.S.A.
 
• 6-inch wheel diameter
• Fits any size bass from 1/10 to 4/4
• Weighs only 3.5 lbs. (1.588 kg)
• Original standard color in black
• Extra splash of color in red 
• Use with or without an instrument bag
• Product Warranty available
• Product Registration available
• Available in black or red
• Cushion available separately