【Reliable Large Wheels】The SmallRig professional tripod wheels 3986 is a camera dolly designed for mobile tripods and easy action photography. Equipped with large and highly adaptive 3-inch rubber wheels, the dolly can realize the stable movement of the tripod on smooth surfaces and shoot a smooth tracking lens, with a max payload of 33 lbs (15 kg) for optimal performance. The independent brakes ensure that the dolly stays locked in place. | 【Fits Most Tripods】Compatible with most tripods, the SmallRig 3986 clamp can extend up to 54mm/2.12" and is suitable for tripod leg diameters less than 54mm. With adjustable clamps and simple to use twist screws, this universal dolly can easily fit your tripod. Its max payload is 33 lbs (15 kg) for optimal performance. | 【Simple Adjustable Legs】Extendable legs ranging from 298mm to 435mm (11.7" to 17.1"), make the video dolly compatible with different tripods in any opening and closing angles. Non-slip flip locks ensure device security and a great user experience. | 【Easy-to-Store & Carry】Folding design. The tripod trolley is equipped with handles and carrying bag for easy transfer. Moreover, compared with most similar products, it has smaller folding space (16.9" x 5.9") and lighter weight (3.97 lbs/1.8kg), which increases great convenience. | 【SmallRig Tripod Recommendations】The camera tripod dolly is compatible with SmallRig Heavy Duty Tripod 3751, SmallRig 72" Video Tripod 3760, SmallRig 68" Tripod 3983, SmallRig 71" Tripod 3935, SmallRig Selection Camera Tripod 3474 and other standard or professional tripods.