The Feedback Sports Sport Mechanic Bike Repair Stand prioritizes the most critical aspects of the entire Feedback Sports bike repair stand lineup - compatibility stability durability and portability. The 360-degree rotating clamp uses a spinner knob closure that can accommodate up to 1.9" (4.8cm) and support 65lbs (29.5kg). The Sport Mechanic Bike Repair Stand leverages a 54" (137cm) wide base with rubber-coated end caps for stability on any surface. When the service day is done it folds in to a compact unit for storage or travel.Rubber-coated clamp secures and protects expensive components and painted framesClamp opening up to 1.9" (4.8cm) accommodates even the largest diameter frame tubesAnodized 6061-T6 aluminum and powder-coated steel construction is lightweight corrosion resistant and durableStiff tripod base and rubber-coated end caps create stability even on uneven surfaces